64563027522 has 32 divisors (see below), whose sum is σ = 148217078400. Its totient is φ = 18366023808.

The previous prime is 64563027521. The next prime is 64563027647. The reversal of 64563027522 is 22572036546.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (64563027521) 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, 3346747 + ... + 3365982.

It is an arithmetic number, because the mean of its divisors is an integer number (4631783700).

Almost surely, 2^64563027522 is an apocalyptic number.

64563027522 is an abundant number, since it is smaller than the sum of its proper divisors (83654050878).

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

64563027522 is a wasteful number, since it uses less digits than its factorization.

64563027522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712970.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 64563027522 in words is "sixty-four billion, five hundred sixty-three million, twenty-seven thousand, five hundred twenty-two".