3948134445 has 12 divisors (see below), whose sum is σ = 6843433116. Its totient is φ = 2105671680.

The previous prime is 3948134441. The next prime is 3948134473. The reversal of 3948134445 is 5444318493.

3948134445 is a `hidden beast` number, since 39 + 48 + 134 + 445 = 666.

3948134445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1129161609 + 2818972836 = 33603^2 + 53094^2 .

It is not a de Polignac number, because 3948134445 - 2² = 3948134441 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 87736321 = 3948134445 / (3 + 9 + 4 + 8 + 1 + 3 + 4 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3948134445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948134441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43868116 + ... + 43868205.

It is an arithmetic number, because the mean of its divisors is an integer number (570286093).

Almost surely, 2^3948134445 is an apocalyptic number.

It is an amenable number.

3948134445 is a deficient number, since it is larger than the sum of its proper divisors (2895298671).

3948134445 is a wasteful number, since it uses less digits than its factorization.

3948134445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87736332 (or 87736329 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 3948134445 is about 62834.1821383871. The cubic root of 3948134445 is about 1580.5102295149.

The spelling of 3948134445 in words is "three billion, nine hundred forty-eight million, one hundred thirty-four thousand, four hundred forty-five".