10857192917 has 2 divisors, whose sum is σ = 10857192918. Its totient is φ = 10857192916.

The previous prime is 10857192901. The next prime is 10857192943. The reversal of 10857192917 is 71929175801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10203828196 + 653364721 = 101014^2 + 25561^2 .

It is a cyclic number.

It is not a de Polignac number, because 10857192917 - 2⁴ = 10857192901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10857192977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428596458 + 5428596459.

It is an arithmetic number, because the mean of its divisors is an integer number (5428596459).

Almost surely, 2^10857192917 is an apocalyptic number.

It is an amenable number.

10857192917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10857192917 is an equidigital number, since it uses as much as digits as its factorization.

10857192917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 50.

The spelling of 10857192917 in words is "ten billion, eight hundred fifty-seven million, one hundred ninety-two thousand, nine hundred seventeen".