30621688630497 has 12 divisors (see below), whose sum is σ = 44231486803920. Its totient is φ = 20414385802968.

The previous prime is 30621688630469. The next prime is 30621688630513. The reversal of 30621688630497 is 79403688612603.

30621688630497 is a `hidden beast` number, since 3 + 0 + 6 + 2 + 1 + 6 + 88 + 63 + 0 + 497 = 666.

It is not a de Polignac number, because 30621688630497 - 2²² = 30621684436193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30621688630297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397347 + ... + 8531432.

It is an arithmetic number, because the mean of its divisors is an integer number (3685957233660).

Almost surely, 2^{30621688630497} is an apocalyptic number.

It is an amenable number.

30621688630497 is a deficient number, since it is larger than the sum of its proper divisors (13609798173423).

30621688630497 is a wasteful number, since it uses less digits than its factorization.

30621688630497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214012 (or 12214009 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 30621688630497 in words is "thirty trillion, six hundred twenty-one billion, six hundred eighty-eight million, six hundred thirty thousand, four hundred ninety-seven".