621523354316 has 12 divisors (see below), whose sum is σ = 1125171589920. Its totient is φ = 300045757200.

The previous prime is 621523354289. The next prime is 621523354339. The reversal of 621523354316 is 613453325126.

It is an unprimeable number.

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, 2678979860 + ... + 2678980091.

It is an arithmetic number, because the mean of its divisors is an integer number (93764299160).

Almost surely, 2^621523354316 is an apocalyptic number.

It is an amenable number.

621523354316 is a deficient number, since it is larger than the sum of its proper divisors (503648235604).

621523354316 is a wasteful number, since it uses less digits than its factorization.

621523354316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357959984 (or 5357959982 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The spelling of 621523354316 in words is "six hundred twenty-one billion, five hundred twenty-three million, three hundred fifty-four thousand, three hundred sixteen".