921013963708 has 24 divisors (see below), whose sum is σ = 1616741280000. Its totient is φ = 459088454208.

The previous prime is 921013963699. The next prime is 921013963811. The reversal of 921013963708 is 807369310129.

It is a super-2 number, since 2×921013963708² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6630666 + ... + 6768142.

It is an arithmetic number, because the mean of its divisors is an integer number (67364220000).

Almost surely, 2^921013963708 is an apocalyptic number.

It is an amenable number.

921013963708 is a deficient number, since it is larger than the sum of its proper divisors (695727316292).

921013963708 is a wasteful number, since it uses less digits than its factorization.

921013963708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142629 (or 142627 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 921013963708 in words is "nine hundred twenty-one billion, thirteen million, nine hundred sixty-three thousand, seven hundred eight".