564287686782464 has 20 divisors (see below), whose sum is σ = 1127473249177704. Its totient is φ = 282143843390976.

The previous prime is 564287686782403. The next prime is 564287686782503. The reversal of 564287686782464 is 464287686782465.

It is a super-2 number, since 2×564287686782464² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551062193612 + ... + 551062194635.

Almost surely, 2^{564287686782464} is an apocalyptic number.

It is an amenable number.

564287686782464 is a deficient number, since it is larger than the sum of its proper divisors (563185562395240).

564287686782464 is an equidigital number, since it uses as much as digits as its factorization.

564287686782464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102124388265 (or 1102124388249 counting only the distinct ones).

The product of its digits is 41617981440, while the sum is 83.

Subtracting from 564287686782464 its reverse (464287686782465), we obtain a palindrome (99999999999999).

The spelling of 564287686782464 in words is "five hundred sixty-four trillion, two hundred eighty-seven billion, six hundred eighty-six million, seven hundred eighty-two thousand, four hundred sixty-four".