625813204686474 has 96 divisors (see below), whose sum is σ = 1459545236968896. Its totient is φ = 178365609730560.

The previous prime is 625813204686463. The next prime is 625813204686479. The reversal of 625813204686474 is 474686402318526.

It is a happy number.

625813204686474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (625813204686479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226491784 + ... + 229238204.

It is an arithmetic number, because the mean of its divisors is an integer number (15203596218426).

Almost surely, 2^{625813204686474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625813204686474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729772618484448).

625813204686474 is an abundant number, since it is smaller than the sum of its proper divisors (833732032282422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625813204686474 is a wasteful number, since it uses less digits than its factorization.

625813204686474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748340 (or 2748333 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 66.

The spelling of 625813204686474 in words is "six hundred twenty-five trillion, eight hundred thirteen billion, two hundred four million, six hundred eighty-six thousand, four hundred seventy-four".