9719604131 has 2 divisors, whose sum is σ = 9719604132. Its totient is φ = 9719604130.

The previous prime is 9719604101. The next prime is 9719604133. The reversal of 9719604131 is 1314069179.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9719604131 is a prime.

It is a super-2 number, since 2×9719604131² (a number of 21 digits) contains 22 as substring.

Together with 9719604133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9719604133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4859802065 + 4859802066.

It is an arithmetic number, because the mean of its divisors is an integer number (4859802066).

Almost surely, 2^9719604131 is an apocalyptic number.

9719604131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9719604131 is an equidigital number, since it uses as much as digits as its factorization.

9719604131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 9719604131 is about 98588.0526788109. The cubic root of 9719604131 is about 2134.1070097946.

The spelling of 9719604131 in words is "nine billion, seven hundred nineteen million, six hundred four thousand, one hundred thirty-one".