9179139130957 has 4 divisors (see below), whose sum is σ = 9188200473660. Its totient is φ = 9170077788256.

The previous prime is 9179139130919. The next prime is 9179139131047. The reversal of 9179139130957 is 7590319319719.

9179139130957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 661064937481 + 8518074193476 = 813059^2 + 2918574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9179139130957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9179139130907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530669832 + ... + 4530671857.

It is an arithmetic number, because the mean of its divisors is an integer number (2297050118415).

Almost surely, 2^{9179139130957} is an apocalyptic number.

It is an amenable number.

9179139130957 is a deficient number, since it is larger than the sum of its proper divisors (9061342703).

9179139130957 is a wasteful number, since it uses less digits than its factorization.

9179139130957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061342702.

The product of its (nonzero) digits is 14467005, while the sum is 64.

The spelling of 9179139130957 in words is "nine trillion, one hundred seventy-nine billion, one hundred thirty-nine million, one hundred thirty thousand, nine hundred fifty-seven".