625493042612 has 24 divisors (see below), whose sum is σ = 1109661827400. Its totient is φ = 308447225856.

The previous prime is 625493042611. The next prime is 625493042641. The reversal of 625493042612 is 216240394526.

It can be written as a sum of positive squares in 4 ways, for example, as 287611254436 + 337881788176 = 536294^2 + 581276^2 .

It is a super-4 number, since 4×625493042612⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625493042611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8081714 + ... + 8158742.

It is an arithmetic number, because the mean of its divisors is an integer number (46235909475).

Almost surely, 2^625493042612 is an apocalyptic number.

It is an amenable number.

625493042612 is a deficient number, since it is larger than the sum of its proper divisors (484168784788).

625493042612 is a wasteful number, since it uses less digits than its factorization.

625493042612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104915 (or 104913 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 625493042612 in words is "six hundred twenty-five billion, four hundred ninety-three million, forty-two thousand, six hundred twelve".