913920176089 has 4 divisors (see below), whose sum is σ = 913929267456. Its totient is φ = 913911084724.

The previous prime is 913920176083. The next prime is 913920176129. The reversal of 913920176089 is 980671029319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913920176089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913920176083) 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 in 3 ways as a sum of consecutive naturals, for example, 4393189 + ... + 4596514.

It is an arithmetic number, because the mean of its divisors is an integer number (228482316864).

Almost surely, 2^913920176089 is an apocalyptic number.

It is an amenable number.

913920176089 is a deficient number, since it is larger than the sum of its proper divisors (9091367).

913920176089 is a wasteful number, since it uses less digits than its factorization.

913920176089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091366.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 913920176089 in words is "nine hundred thirteen billion, nine hundred twenty million, one hundred seventy-six thousand, eighty-nine".