564778404272612 has 12 divisors (see below), whose sum is σ = 999467400820140. Its totient is φ = 279216289752576.

The previous prime is 564778404272531. The next prime is 564778404272699. The reversal of 564778404272612 is 216272404877465.

It can be written as a sum of positive squares in 2 ways, for example, as 297240564123556 + 267537840149056 = 17240666^2 + 16356584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793228095533 + ... + 793228096244.

It is an arithmetic number, because the mean of its divisors is an integer number (83288950068345).

Almost surely, 2^{564778404272612} is an apocalyptic number.

It is an amenable number.

564778404272612 is a deficient number, since it is larger than the sum of its proper divisors (434688996547528).

564778404272612 is a wasteful number, since it uses less digits than its factorization.

564778404272612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586456191870 (or 1586456191868 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 65.

The spelling of 564778404272612 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, two hundred seventy-two thousand, six hundred twelve".