9738803578631 has 12 divisors (see below), whose sum is σ = 10499781227688. Its totient is φ = 9029127795072.

The previous prime is 9738803578591. The next prime is 9738803578643. The reversal of 9738803578631 is 1368753088379.

It is not a de Polignac number, because 9738803578631 - 2¹⁴ = 9738803562247 is a prime.

It is a super-2 number, since 2×9738803578631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9738803508631) 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, 251460356 + ... + 251499081.

It is an arithmetic number, because the mean of its divisors is an integer number (874981768974).

Almost surely, 2^{9738803578631} is an apocalyptic number.

9738803578631 is a deficient number, since it is larger than the sum of its proper divisors (760977649057).

9738803578631 is a wasteful number, since it uses less digits than its factorization.

9738803578631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502959538 (or 502959521 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 9738803578631 in words is "nine trillion, seven hundred thirty-eight billion, eight hundred three million, five hundred seventy-eight thousand, six hundred thirty-one".