625958850404 has 6 divisors (see below), whose sum is σ = 1095427988214. Its totient is φ = 312979425200.

The previous prime is 625958850401. The next prime is 625958850469. The reversal of 625958850404 is 404058859526.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 350073388900 + 275885461504 = 591670^2 + 525248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 625958850404.

It is not an unprimeable number, because it can be changed into a prime (625958850401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78244856297 + ... + 78244856304.

It is an arithmetic number, because the mean of its divisors is an integer number (182571331369).

Almost surely, 2^625958850404 is an apocalyptic number.

It is an amenable number.

625958850404 is a deficient number, since it is larger than the sum of its proper divisors (469469137810).

625958850404 is a wasteful number, since it uses less digits than its factorization.

625958850404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156489712605 (or 156489712603 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 625958850404 in words is "six hundred twenty-five billion, nine hundred fifty-eight million, eight hundred fifty thousand, four hundred four".