9457081931513 has 2 divisors, whose sum is σ = 9457081931514. Its totient is φ = 9457081931512.

The previous prime is 9457081931477. The next prime is 9457081931527. The reversal of 9457081931513 is 3151391807549.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8905288493929 + 551793437584 = 2984173^2 + 742828^2 .

It is a cyclic number.

It is not a de Polignac number, because 9457081931513 - 2⁸ = 9457081931257 is a prime.

It is not a weakly prime, because it can be changed into another prime (9457081931593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728540965756 + 4728540965757.

It is an arithmetic number, because the mean of its divisors is an integer number (4728540965757).

Almost surely, 2^{9457081931513} is an apocalyptic number.

It is an amenable number.

9457081931513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457081931513 is an equidigital number, since it uses as much as digits as its factorization.

9457081931513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 9457081931513 in words is "nine trillion, four hundred fifty-seven billion, eighty-one million, nine hundred thirty-one thousand, five hundred thirteen".