9746488724857 has 2 divisors, whose sum is σ = 9746488724858. Its totient is φ = 9746488724856.

The previous prime is 9746488724851. The next prime is 9746488724887. The reversal of 9746488724857 is 7584278846479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9662424101136 + 84064623721 = 3108444^2 + 289939^2 .

It is an emirp because it is prime and its reverse (7584278846479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9746488724857 - 2⁷ = 9746488724729 is a prime.

It is not a weakly prime, because it can be changed into another prime (9746488724851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873244362428 + 4873244362429.

It is an arithmetic number, because the mean of its divisors is an integer number (4873244362429).

Almost surely, 2^{9746488724857} is an apocalyptic number.

It is an amenable number.

9746488724857 is a deficient number, since it is larger than the sum of its proper divisors (1).

9746488724857 is an equidigital number, since it uses as much as digits as its factorization.

9746488724857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6069288960, while the sum is 79.

The spelling of 9746488724857 in words is "nine trillion, seven hundred forty-six billion, four hundred eighty-eight million, seven hundred twenty-four thousand, eight hundred fifty-seven".