64313430625 has 10 divisors (see below), whose sum is σ = 80366063690. Its totient is φ = 51450744000.

The previous prime is 64313430613. The next prime is 64313430637. The reversal of 64313430625 is 52603431346.

It is an interprime number because it is at equal distance from previous prime (64313430613) and next prime (64313430637).

It can be written as a sum of positive squares in 5 ways, for example, as 19754864704 + 44558565921 = 140552^2 + 211089^2 .

It is not a de Polignac number, because 64313430625 - 2⁹ = 64313430113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51450120 + ... + 51451369.

It is an arithmetic number, because the mean of its divisors is an integer number (8036606369).

Almost surely, 2^64313430625 is an apocalyptic number.

It is an amenable number.

64313430625 is a deficient number, since it is larger than the sum of its proper divisors (16052633065).

64313430625 is an equidigital number, since it uses as much as digits as its factorization.

64313430625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102901509 (or 102901494 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 64313430625 in words is "sixty-four billion, three hundred thirteen million, four hundred thirty thousand, six hundred twenty-five".