9756641131 has 2 divisors, whose sum is σ = 9756641132. Its totient is φ = 9756641130.

The previous prime is 9756641057. The next prime is 9756641143. The reversal of 9756641131 is 1311466579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9756641131 - 2¹³ = 9756632939 is a prime.

It is a super-2 number, since 2×9756641131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9756651131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4878320565 + 4878320566.

It is an arithmetic number, because the mean of its divisors is an integer number (4878320566).

Almost surely, 2^9756641131 is an apocalyptic number.

9756641131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9756641131 is an equidigital number, since it uses as much as digits as its factorization.

9756641131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 9756641131 is about 98775.7112401627. The cubic root of 9756641131 is about 2136.8142783862.

The spelling of 9756641131 in words is "nine billion, seven hundred fifty-six million, six hundred forty-one thousand, one hundred thirty-one".