64315572430 has 32 divisors (see below), whose sum is σ = 117264723840. Its totient is φ = 25393804800.

The previous prime is 64315572427. The next prime is 64315572457. The reversal of 64315572430 is 3427551346.

It is a happy number.

64315572430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64315572430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796980 + ... + 3813880.

It is an arithmetic number, because the mean of its divisors is an integer number (3664522620).

Almost surely, 2^64315572430 is an apocalyptic number.

64315572430 is a deficient number, since it is larger than the sum of its proper divisors (52949151410).

64315572430 is a wasteful number, since it uses less digits than its factorization.

64315572430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 64315572430 in words is "sixty-four billion, three hundred fifteen million, five hundred seventy-two thousand, four hundred thirty".