64507357365 has 32 divisors (see below), whose sum is σ = 112698556416. Its totient is φ = 31247434560.

The previous prime is 64507357337. The next prime is 64507357373. The reversal of 64507357365 is 56375370546.

It is not a de Polignac number, because 64507357365 - 2²⁴ = 64490580149 is a prime.

It is a super-2 number, since 2×64507357365² (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 31 ways as a sum of consecutive naturals, for example, 477 + ... + 359186.

It is an arithmetic number, because the mean of its divisors is an integer number (3521829888).

Almost surely, 2^64507357365 is an apocalyptic number.

It is an amenable number.

64507357365 is a deficient number, since it is larger than the sum of its proper divisors (48191199051).

64507357365 is a wasteful number, since it uses less digits than its factorization.

64507357365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360769.

The product of its (nonzero) digits is 7938000, while the sum is 51.

The spelling of 64507357365 in words is "sixty-four billion, five hundred seven million, three hundred fifty-seven thousand, three hundred sixty-five".