64465732712622 has 16 divisors (see below), whose sum is σ = 128937604978512. Its totient is φ = 21487554312000.

The previous prime is 64465732712603. The next prime is 64465732712741. The reversal of 64465732712622 is 22621723756446.

It is a super-2 number, since 2×64465732712622² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255678213 + ... + 255930224.

It is an arithmetic number, because the mean of its divisors is an integer number (8058600311157).

Almost surely, 2^{64465732712622} is an apocalyptic number.

64465732712622 is an abundant number, since it is smaller than the sum of its proper divisors (64471872265890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64465732712622 is a wasteful number, since it uses less digits than its factorization.

64465732712622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511629443.

The product of its digits is 40642560, while the sum is 57.

The spelling of 64465732712622 in words is "sixty-four trillion, four hundred sixty-five billion, seven hundred thirty-two million, seven hundred twelve thousand, six hundred twenty-two".