64221760543254 has 16 divisors (see below), whose sum is σ = 131576289894000. Its totient is φ = 20885125379840.

The previous prime is 64221760543229. The next prime is 64221760543307. The reversal of 64221760543254 is 45234506712246.

64221760543254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64221760543197 and 64221760543206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130532033379 + ... + 130532033870.

It is an arithmetic number, because the mean of its divisors is an integer number (8223518118375).

Almost surely, 2^{64221760543254} is an apocalyptic number.

64221760543254 is an abundant number, since it is smaller than the sum of its proper divisors (67354529350746).

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

64221760543254 is a wasteful number, since it uses less digits than its factorization.

64221760543254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261064067295.

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 64221760543254 in words is "sixty-four trillion, two hundred twenty-one billion, seven hundred sixty million, five hundred forty-three thousand, two hundred fifty-four".