564739937465 has 16 divisors (see below), whose sum is σ = 739327706496. Its totient is φ = 410702294400.

The previous prime is 564739937453. The next prime is 564739937477.

564739937465 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (564739937453) and next prime (564739937477).

It is not a de Polignac number, because 564739937465 - 2¹⁶ = 564739871929 is a prime.

It is a super-2 number, since 2×564739937465² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564739937395 and 564739937404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146269 + ... + 1563141.

It is an arithmetic number, because the mean of its divisors is an integer number (46207981656).

Almost surely, 2^564739937465 is an apocalyptic number.

564739937465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564739937465 is a deficient number, since it is larger than the sum of its proper divisors (174587769031).

564739937465 is a wasteful number, since it uses less digits than its factorization.

564739937465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441520.

The product of its digits is 514382400, while the sum is 68.

The spelling of 564739937465 in words is "five hundred sixty-four billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, four hundred sixty-five".