64336968051 has 16 divisors (see below), whose sum is σ = 85890494880. Its totient is φ = 42837416960.

The previous prime is 64336968043. The next prime is 64336968071. The reversal of 64336968051 is 15086963346.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64336968051 - 2³ = 64336968043 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 64336967985 and 64336968003.

It is not an unprimeable number, because it can be changed into a prime (64336968011) 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, 10066765 + ... + 10073153.

It is an arithmetic number, because the mean of its divisors is an integer number (5368155930).

Almost surely, 2^64336968051 is an apocalyptic number.

64336968051 is a deficient number, since it is larger than the sum of its proper divisors (21553526829).

64336968051 is a wasteful number, since it uses less digits than its factorization.

64336968051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 64336968051 in words is "sixty-four billion, three hundred thirty-six million, nine hundred sixty-eight thousand, fifty-one".