9534991113931 has 2 divisors, whose sum is σ = 9534991113932. Its totient is φ = 9534991113930.

The previous prime is 9534991113877. The next prime is 9534991113959. The reversal of 9534991113931 is 1393111994359.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9534991113931 - 2⁹ = 9534991113419 is a prime.

It is a super-2 number, since 2×9534991113931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9534991113031) 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, 4767495556965 + 4767495556966.

It is an arithmetic number, because the mean of its divisors is an integer number (4767495556966).

Almost surely, 2^{9534991113931} is an apocalyptic number.

9534991113931 is a deficient number, since it is larger than the sum of its proper divisors (1).

9534991113931 is an equidigital number, since it uses as much as digits as its factorization.

9534991113931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3542940, while the sum is 58.

The spelling of 9534991113931 in words is "nine trillion, five hundred thirty-four billion, nine hundred ninety-one million, one hundred thirteen thousand, nine hundred thirty-one".