9704993531 has 2 divisors, whose sum is σ = 9704993532. Its totient is φ = 9704993530.

The previous prime is 9704993471. The next prime is 9704993533. The reversal of 9704993531 is 1353994079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9704993531 - 2²⁶ = 9637884667 is a prime.

It is a super-2 number, since 2×9704993531² (a number of 21 digits) contains 22 as substring.

Together with 9704993533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9704993531.

It is not a weakly prime, because it can be changed into another prime (9704993533) 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, 4852496765 + 4852496766.

It is an arithmetic number, because the mean of its divisors is an integer number (4852496766).

Almost surely, 2^9704993531 is an apocalyptic number.

9704993531 is a deficient number, since it is larger than the sum of its proper divisors (1).

9704993531 is an equidigital number, since it uses as much as digits as its factorization.

9704993531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 9704993531 is about 98513.9255689265. The cubic root of 9704993531 is about 2133.0371369834.

The spelling of 9704993531 in words is "nine billion, seven hundred four million, nine hundred ninety-three thousand, five hundred thirty-one".