625624038853 has 4 divisors (see below), whose sum is σ = 682498951488. Its totient is φ = 568749126220.

The previous prime is 625624038779. The next prime is 625624038877. The reversal of 625624038853 is 358830426526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-625624038853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625624038853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625624938853) 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 in 3 ways as a sum of consecutive naturals, for example, 28437456301 + ... + 28437456322.

It is an arithmetic number, because the mean of its divisors is an integer number (170624737872).

Almost surely, 2^625624038853 is an apocalyptic number.

It is an amenable number.

625624038853 is a deficient number, since it is larger than the sum of its proper divisors (56874912635).

625624038853 is a wasteful number, since it uses less digits than its factorization.

625624038853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56874912634.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 625624038853 in words is "six hundred twenty-five billion, six hundred twenty-four million, thirty-eight thousand, eight hundred fifty-three".