913187830957 has 2 divisors, whose sum is σ = 913187830958. Its totient is φ = 913187830956.

The previous prime is 913187830937. The next prime is 913187831011. The reversal of 913187830957 is 759038781319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752531960196 + 160655870761 = 867486^2 + 400819^2 .

It is a cyclic number.

It is not a de Polignac number, because 913187830957 - 2⁷ = 913187830829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 913187830895 and 913187830904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913187830937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456593915478 + 456593915479.

It is an arithmetic number, because the mean of its divisors is an integer number (456593915479).

Almost surely, 2^913187830957 is an apocalyptic number.

It is an amenable number.

913187830957 is a deficient number, since it is larger than the sum of its proper divisors (1).

913187830957 is an equidigital number, since it uses as much as digits as its factorization.

913187830957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 913187830957 in words is "nine hundred thirteen billion, one hundred eighty-seven million, eight hundred thirty thousand, nine hundred fifty-seven".