3664015465825 has 48 divisors (see below), whose sum is σ = 5338862790912. Its totient is φ = 2459211840000.

The previous prime is 3664015465771. The next prime is 3664015465837. The reversal of 3664015465825 is 5285645104663.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3664015465825 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16301205 + ... + 16524445.

It is an arithmetic number, because the mean of its divisors is an integer number (111226308144).

Almost surely, 2^{3664015465825} is an apocalyptic number.

It is an amenable number.

3664015465825 is a deficient number, since it is larger than the sum of its proper divisors (1674847325087).

3664015465825 is a wasteful number, since it uses less digits than its factorization.

3664015465825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227866 (or 227861 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 3664015465825 in words is "three trillion, six hundred sixty-four billion, fifteen million, four hundred sixty-five thousand, eight hundred twenty-five".