9973116631 has 2 divisors, whose sum is σ = 9973116632. Its totient is φ = 9973116630.

The previous prime is 9973116613. The next prime is 9973116649. The reversal of 9973116631 is 1366113799.

Together with previous prime (9973116613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (9973116613) and next prime (9973116649).

It is a cyclic number.

It is not a de Polignac number, because 9973116631 - 2¹⁷ = 9972985559 is a prime.

It is a super-2 number, since 2×9973116631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9973116611) by changing a digit.

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 as a sum of consecutive naturals, namely, 4986558315 + 4986558316.

It is an arithmetic number, because the mean of its divisors is an integer number (4986558316).

Almost surely, 2^9973116631 is an apocalyptic number.

9973116631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973116631 is an equidigital number, since it uses as much as digits as its factorization.

9973116631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 9973116631 is about 99865.4926939231. The cubic root of 9973116631 is about 2152.5023419699.

The spelling of 9973116631 in words is "nine billion, nine hundred seventy-three million, one hundred sixteen thousand, six hundred thirty-one".