3913565044 has 24 divisors (see below), whose sum is σ = 6996080000. Its totient is φ = 1915008480.

The previous prime is 3913565041. The next prime is 3913565057. The reversal of 3913565044 is 4405653193.

It is a junction number, because it is equal to n+sod(n) for n = 3913564988 and 3913565006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913565041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257 + ... + 88855.

Almost surely, 2^3913565044 is an apocalyptic number.

It is an amenable number.

3913565044 is a deficient number, since it is larger than the sum of its proper divisors (3082514956).

3913565044 is a wasteful number, since it uses less digits than its factorization.

3913565044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80863 (or 80861 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 3913565044 is about 62558.4929805698. The cubic root of 3913565044 is about 1575.8837796618.

The spelling of 3913565044 in words is "three billion, nine hundred thirteen million, five hundred sixty-five thousand, forty-four".