561424564626 has 16 divisors (see below), whose sum is σ = 1122965856000. Its totient is φ = 187122067088.

The previous prime is 561424564609. The next prime is 561424564667. The reversal of 561424564626 is 626465424165.

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, 4801026 + ... + 4916573.

It is an arithmetic number, because the mean of its divisors is an integer number (70185366000).

Almost surely, 2^561424564626 is an apocalyptic number.

561424564626 is an abundant number, since it is smaller than the sum of its proper divisors (561541291374).

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

561424564626 is a wasteful number, since it uses less digits than its factorization.

561424564626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727233.

The product of its digits is 8294400, while the sum is 51.

The spelling of 561424564626 in words is "five hundred sixty-one billion, four hundred twenty-four million, five hundred sixty-four thousand, six hundred twenty-six".