630564254665 has 16 divisors (see below), whose sum is σ = 764134675200. Its totient is φ = 499481116992.

The previous prime is 630564254633. The next prime is 630564254687. The reversal of 630564254665 is 566452465036.

630564254665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 630564254665 - 2⁵ = 630564254633 is a prime.

It is a super-2 number, since 2×630564254665² (a number of 24 digits) contains 22 as substring.

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, 3601371 + ... + 3772399.

It is an arithmetic number, because the mean of its divisors is an integer number (47758417200).

Almost surely, 2^630564254665 is an apocalyptic number.

It is an amenable number.

630564254665 is a deficient number, since it is larger than the sum of its proper divisors (133570420535).

630564254665 is a wasteful number, since it uses less digits than its factorization.

630564254665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178296.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 630564254665 in words is "six hundred thirty billion, five hundred sixty-four million, two hundred fifty-four thousand, six hundred sixty-five".