564957949446 has 64 divisors (see below), whose sum is σ = 1371377145600. Its totient is φ = 170976614400.

The previous prime is 564957949433. The next prime is 564957949459. The reversal of 564957949446 is 644949759465.

It is a happy number.

564957949446 is a `hidden beast` number, since 5 + 6 + 4 + 9 + 579 + 4 + 9 + 4 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (564957949433) and next prime (564957949459).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161620 + ... + 1075191.

It is an arithmetic number, because the mean of its divisors is an integer number (21427767900).

Almost surely, 2^564957949446 is an apocalyptic number.

564957949446 is an abundant number, since it is smaller than the sum of its proper divisors (806419196154).

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

564957949446 is a wasteful number, since it uses less digits than its factorization.

564957949446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237602 (or 1237596 counting only the distinct ones).

The product of its digits is 1175731200, while the sum is 72.

The spelling of 564957949446 in words is "five hundred sixty-four billion, nine hundred fifty-seven million, nine hundred forty-nine thousand, four hundred forty-six".