564630265521651 has 48 divisors (see below), whose sum is σ = 906395772038400. Its totient is φ = 311367360854592.

The previous prime is 564630265521571. The next prime is 564630265521689. The reversal of 564630265521651 is 156125562036465.

It is not a de Polignac number, because 564630265521651 - 2⁷ = 564630265521523 is a prime.

It is a super-2 number, since 2×564630265521651² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564630265521591 and 564630265521600.

It is not an unprimeable number, because it can be changed into a prime (564630265521851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23786665 + ... + 41171178.

It is an arithmetic number, because the mean of its divisors is an integer number (18883245250800).

Almost surely, 2^{564630265521651} is an apocalyptic number.

564630265521651 is a deficient number, since it is larger than the sum of its proper divisors (341765506516749).

564630265521651 is a wasteful number, since it uses less digits than its factorization.

564630265521651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64959928 (or 64959921 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 57.

The spelling of 564630265521651 in words is "five hundred sixty-four trillion, six hundred thirty billion, two hundred sixty-five million, five hundred twenty-one thousand, six hundred fifty-one".