64920376130 has 8 divisors (see below), whose sum is σ = 116856677052. Its totient is φ = 25968150448.

The previous prime is 64920376123. The next prime is 64920376159. The reversal of 64920376130 is 3167302946.

64920376130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55480504849 + 9439871281 = 235543^2 + 97159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246018797 + ... + 3246018816.

Almost surely, 2^64920376130 is an apocalyptic number.

64920376130 is a deficient number, since it is larger than the sum of its proper divisors (51936300922).

64920376130 is a wasteful number, since it uses less digits than its factorization.

64920376130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492037620.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 64920376130 in words is "sixty-four billion, nine hundred twenty million, three hundred seventy-six thousand, one hundred thirty".