620654930738 has 16 divisors (see below), whose sum is σ = 961041279744. Its totient is φ = 300308404080.

The previous prime is 620654930689. The next prime is 620654930837. The reversal of 620654930738 is 837039456026.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 620654930738.

It is an unprimeable number.

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, 2445056 + ... + 2686932.

It is an arithmetic number, because the mean of its divisors is an integer number (60065079984).

Almost surely, 2^620654930738 is an apocalyptic number.

620654930738 is a deficient number, since it is larger than the sum of its proper divisors (340386349006).

620654930738 is a wasteful number, since it uses less digits than its factorization.

620654930738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283297.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 620654930738 in words is "six hundred twenty billion, six hundred fifty-four million, nine hundred thirty thousand, seven hundred thirty-eight".