3848313645 has 120 divisors (see below), whose sum is σ = 7716915360. Its totient is φ = 1834224480.

The previous prime is 3848313643. The next prime is 3848313653. The reversal of 3848313645 is 5463138483.

3848313645 is a `hidden beast` number, since 38 + 483 + 136 + 4 + 5 = 666.

3848313645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3848313645 - 2¹ = 3848313643 is a prime.

It is a super-3 number, since 3×3848313645³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 3868601715 it forms an amicable pair .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3848313645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848313643) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 65225626 + ... + 65225684.

It is an arithmetic number, because the mean of its divisors is an integer number (64307628).

Almost surely, 2^3848313645 is an apocalyptic number.

It is an amenable number.

3848313645 is an abundant number, since it is smaller than the sum of its proper divisors (3868601715).

3848313645 is an frugal number, since it uses more digits than its factorization.

3848313645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 78 counting only the distinct ones).

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

The square root of 3848313645 is about 62034.7777057354. Note that the first 4 decimals coincide. The cubic root of 3848313645 is about 1567.0763397981.

The spelling of 3848313645 in words is "three billion, eight hundred forty-eight million, three hundred thirteen thousand, six hundred forty-five".