625589247364 has 81 divisors (see below), whose sum is σ = 1192847877711. Its totient is φ = 287017032960.

The previous prime is 625589247329. The next prime is 625589247373. The reversal of 625589247364 is 463742985526.

It is a happy number.

The square root of 625589247364 is 790942.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22779864900 + 602809382464 = 150930^2 + 776408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1156356934 + ... + 1156357474.

Almost surely, 2^625589247364 is an apocalyptic number.

625589247364 is the 790942-nd square number.

It is an amenable number.

625589247364 is a deficient number, since it is larger than the sum of its proper divisors (567258630347).

625589247364 is an equidigital number, since it uses as much as digits as its factorization.

625589247364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 603 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 61.

The spelling of 625589247364 in words is "six hundred twenty-five billion, five hundred eighty-nine million, two hundred forty-seven thousand, three hundred sixty-four".