64336813751 has 12 divisors (see below), whose sum is σ = 77421501720. Its totient is φ = 53244258480.

The previous prime is 64336813741. The next prime is 64336813763. The reversal of 64336813751 is 15731863346.

It is not a de Polignac number, because 64336813751 - 2¹⁴ = 64336797367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64336813696 and 64336813705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64336813721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22636445 + ... + 22639286.

It is an arithmetic number, because the mean of its divisors is an integer number (6451791810).

Almost surely, 2^64336813751 is an apocalyptic number.

64336813751 is a deficient number, since it is larger than the sum of its proper divisors (13084687969).

64336813751 is a wasteful number, since it uses less digits than its factorization.

64336813751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45275774 (or 45275767 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The spelling of 64336813751 in words is "sixty-four billion, three hundred thirty-six million, eight hundred thirteen thousand, seven hundred fifty-one".