564655303556465 has 12 divisors (see below), whose sum is σ = 744785011964532. Its totient is φ = 410658402586080.

The previous prime is 564655303556459. The next prime is 564655303556479.

564655303556465 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 326234651909089 + 238420651647376 = 18061967^2 + 15440876^2 .

It is not a de Polignac number, because 564655303556465 - 2¹⁸ = 564655303294321 is a prime.

It is a super-2 number, since 2×564655303556465² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564655303556395 and 564655303556404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466657275062 + ... + 466657276271.

It is an arithmetic number, because the mean of its divisors is an integer number (62065417663711).

Almost surely, 2^{564655303556465} is an apocalyptic number.

564655303556465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564655303556465 is a deficient number, since it is larger than the sum of its proper divisors (180129708408067).

564655303556465 is a wasteful number, since it uses less digits than its factorization.

564655303556465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933314551360 (or 933314551349 counting only the distinct ones).

The product of its (nonzero) digits is 2916000000, while the sum is 68.

The spelling of 564655303556465 in words is "five hundred sixty-four trillion, six hundred fifty-five billion, three hundred three million, five hundred fifty-six thousand, four hundred sixty-five".