3664305435225 has 24 divisors (see below), whose sum is σ = 6058417916992. Its totient is φ = 1954264104000.

The previous prime is 3664305435211. The next prime is 3664305435317. The reversal of 3664305435225 is 5225345034663.

It is not a de Polignac number, because 3664305435225 - 2²⁵ = 3664271880793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4604124 + ... + 5341026.

Almost surely, 2^{3664305435225} is an apocalyptic number.

It is an amenable number.

3664305435225 is a deficient number, since it is larger than the sum of its proper divisors (2394112481767).

3664305435225 is a wasteful number, since it uses less digits than its factorization.

3664305435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803217 (or 803212 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 48.

The spelling of 3664305435225 in words is "three trillion, six hundred sixty-four billion, three hundred five million, four hundred thirty-five thousand, two hundred twenty-five".