564206521412644 has 96 divisors (see below), whose sum is σ = 1093176670965120. Its totient is φ = 252657316454400.

The previous prime is 564206521412621. The next prime is 564206521412701. The reversal of 564206521412644 is 446214125602465.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 564206521412591 and 564206521412600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1290154287 + ... + 1290591529.

It is an arithmetic number, because the mean of its divisors is an integer number (11387256989220).

Almost surely, 2^{564206521412644} is an apocalyptic number.

It is an amenable number.

564206521412644 is a deficient number, since it is larger than the sum of its proper divisors (528970149552476).

564206521412644 is a wasteful number, since it uses less digits than its factorization.

564206521412644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438541 (or 438539 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 52.

The spelling of 564206521412644 in words is "five hundred sixty-four trillion, two hundred six billion, five hundred twenty-one million, four hundred twelve thousand, six hundred forty-four".