30664423517 has 24 divisors (see below), whose sum is σ = 37963956096. Its totient is φ = 24251887296.

The previous prime is 30664423441. The next prime is 30664423541. The reversal of 30664423517 is 71532446603.

It is not a de Polignac number, because 30664423517 - 2²⁶ = 30597314653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30664443517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4299008 + ... + 4306134.

It is an arithmetic number, because the mean of its divisors is an integer number (1581831504).

Almost surely, 2^30664423517 is an apocalyptic number.

It is an amenable number.

30664423517 is a deficient number, since it is larger than the sum of its proper divisors (7299532579).

30664423517 is a wasteful number, since it uses less digits than its factorization.

30664423517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797 (or 10784 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 30664423517 in words is "thirty billion, six hundred sixty-four million, four hundred twenty-three thousand, five hundred seventeen".