3945461229 has 6 divisors (see below), whose sum is σ = 5698999566. Its totient is φ = 2630307480.

The previous prime is 3945461203. The next prime is 3945461237. The reversal of 3945461229 is 9221645493.

3945461229 is a `hidden beast` number, since 3 + 9 + 4 + 5 + 4 + 612 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2439866025 + 1505595204 = 49395^2 + 38802^2 .

It is not a de Polignac number, because 3945461229 - 2⁸ = 3945460973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945461329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219192282 + ... + 219192299.

It is an arithmetic number, because the mean of its divisors is an integer number (949833261).

Almost surely, 2^3945461229 is an apocalyptic number.

It is an amenable number.

3945461229 is a deficient number, since it is larger than the sum of its proper divisors (1753538337).

3945461229 is a wasteful number, since it uses less digits than its factorization.

3945461229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438384587 (or 438384584 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 3945461229 is about 62812.9065479381. The cubic root of 3945461229 is about 1580.1534366025.

The spelling of 3945461229 in words is "three billion, nine hundred forty-five million, four hundred sixty-one thousand, two hundred twenty-nine".