64892227358123 has 16 divisors (see below), whose sum is σ = 71793083082240. Its totient is φ = 58158402825600.

The previous prime is 64892227358107. The next prime is 64892227358141. The reversal of 64892227358123 is 32185372229846.

It is not a de Polignac number, because 64892227358123 - 2⁴ = 64892227358107 is a prime.

It is a super-2 number, since 2×64892227358123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64892227358173) 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, 9906083 + ... + 15096851.

It is an arithmetic number, because the mean of its divisors is an integer number (4487067692640).

Almost surely, 2^{64892227358123} is an apocalyptic number.

64892227358123 is a deficient number, since it is larger than the sum of its proper divisors (6900855724117).

64892227358123 is a wasteful number, since it uses less digits than its factorization.

64892227358123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206858.

The product of its digits is 69672960, while the sum is 62.

The spelling of 64892227358123 in words is "sixty-four trillion, eight hundred ninety-two billion, two hundred twenty-seven million, three hundred fifty-eight thousand, one hundred twenty-three".