620625321261364 has 12 divisors (see below), whose sum is σ = 1090837082131300. Its totient is φ = 308957583509568.

The previous prime is 620625321261349. The next prime is 620625321261367. The reversal of 620625321261364 is 463162123526026.

It can be written as a sum of positive squares in 2 ways, for example, as 609396522377764 + 11228798883600 = 24685958^2 + 3350940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620625321261367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338769279249 + ... + 338769281080.

Almost surely, 2^{620625321261364} is an apocalyptic number.

It is an amenable number.

620625321261364 is a deficient number, since it is larger than the sum of its proper divisors (470211760869936).

620625321261364 is a wasteful number, since it uses less digits than its factorization.

620625321261364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677538560562 (or 677538560560 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 620625321261364 in words is "six hundred twenty trillion, six hundred twenty-five billion, three hundred twenty-one million, two hundred sixty-one thousand, three hundred sixty-four".