564749901654 has 16 divisors (see below), whose sum is σ = 1129514068848. Its totient is φ = 188247589632.

The previous prime is 564749901647. The next prime is 564749901671. The reversal of 564749901654 is 456109947465.

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, 39967 + ... + 1063530.

It is an arithmetic number, because the mean of its divisors is an integer number (70594629303).

Almost surely, 2^564749901654 is an apocalyptic number.

564749901654 is an abundant number, since it is smaller than the sum of its proper divisors (564764167194).

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

564749901654 is a wasteful number, since it uses less digits than its factorization.

564749901654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188799.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 564749901654 in words is "five hundred sixty-four billion, seven hundred forty-nine million, nine hundred one thousand, six hundred fifty-four".