64381707356 has 12 divisors (see below), whose sum is σ = 112745220840. Its totient is φ = 32168787120.

The previous prime is 64381707349. The next prime is 64381707407. The reversal of 64381707356 is 65370718346.

It is a congruent number.

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, 5510075 + ... + 5521746.

It is an arithmetic number, because the mean of its divisors is an integer number (9395435070).

Almost surely, 2^64381707356 is an apocalyptic number.

It is an amenable number.

64381707356 is a deficient number, since it is larger than the sum of its proper divisors (48363513484).

64381707356 is a wasteful number, since it uses less digits than its factorization.

64381707356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033284 (or 11033282 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 64381707356 in words is "sixty-four billion, three hundred eighty-one million, seven hundred seven thousand, three hundred fifty-six".