9724364131 has 2 divisors, whose sum is σ = 9724364132. Its totient is φ = 9724364130.

The previous prime is 9724364107. The next prime is 9724364147. The reversal of 9724364131 is 1314634279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9724364131 - 2⁵ = 9724364099 is a prime.

It is a super-2 number, since 2×9724364131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9724364101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862182065 + 4862182066.

It is an arithmetic number, because the mean of its divisors is an integer number (4862182066).

Almost surely, 2^9724364131 is an apocalyptic number.

9724364131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9724364131 is an equidigital number, since it uses as much as digits as its factorization.

9724364131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 9724364131 is about 98612.1905800698. The cubic root of 9724364131 is about 2134.4553330182.

The spelling of 9724364131 in words is "nine billion, seven hundred twenty-four million, three hundred sixty-four thousand, one hundred thirty-one".