64854299945051 has 16 divisors (see below), whose sum is σ = 67436852184000. Its totient is φ = 62294912064000.

The previous prime is 64854299945011. The next prime is 64854299945069. The reversal of 64854299945051 is 15054999245846.

It is not a de Polignac number, because 64854299945051 - 2²² = 64854295750747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64854299945011) 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, 42421751 + ... + 43923951.

It is an arithmetic number, because the mean of its divisors is an integer number (4214803261500).

Almost surely, 2^{64854299945051} is an apocalyptic number.

64854299945051 is a deficient number, since it is larger than the sum of its proper divisors (2582552238949).

64854299945051 is a wasteful number, since it uses less digits than its factorization.

64854299945051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509910.

The product of its (nonzero) digits is 559872000, while the sum is 71.

The spelling of 64854299945051 in words is "sixty-four trillion, eight hundred fifty-four billion, two hundred ninety-nine million, nine hundred forty-five thousand, fifty-one".