625361536799 has 4 divisors (see below), whose sum is σ = 634169445840. Its totient is φ = 616553627760.

The previous prime is 625361536753. The next prime is 625361536817. The reversal of 625361536799 is 997635163526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625361536799 - 2²⁴ = 625344759583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625361536739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403954414 + ... + 4403954555.

It is an arithmetic number, because the mean of its divisors is an integer number (158542361460).

Almost surely, 2^625361536799 is an apocalyptic number.

625361536799 is a deficient number, since it is larger than the sum of its proper divisors (8807909041).

625361536799 is an equidigital number, since it uses as much as digits as its factorization.

625361536799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807909040.

The product of its digits is 55112400, while the sum is 62.

The spelling of 625361536799 in words is "six hundred twenty-five billion, three hundred sixty-one million, five hundred thirty-six thousand, seven hundred ninety-nine".