64658207913 has 16 divisors (see below), whose sum is σ = 96879189120. Its totient is φ = 38059680384.

The previous prime is 64658207909. The next prime is 64658207917. The reversal of 64658207913 is 31970285646.

It is an interprime number because it is at equal distance from previous prime (64658207909) and next prime (64658207917).

It is not a de Polignac number, because 64658207913 - 2² = 64658207909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64658207917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36040468 + ... + 36042261.

It is an arithmetic number, because the mean of its divisors is an integer number (6054949320).

It is a 1-persistent number, because it is pandigital, but 2⋅64658207913 = 129316415826 is not.

Almost surely, 2^64658207913 is an apocalyptic number.

It is an amenable number.

64658207913 is a deficient number, since it is larger than the sum of its proper divisors (32220981207).

64658207913 is a wasteful number, since it uses less digits than its factorization.

64658207913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72082768.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 64658207913 in words is "sixty-four billion, six hundred fifty-eight million, two hundred seven thousand, nine hundred thirteen".