981700311179 has 4 divisors (see below), whose sum is σ = 1121943212784. Its totient is φ = 841457409576.

The previous prime is 981700311173. The next prime is 981700311181. The reversal of 981700311179 is 971113007189.

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

It is not a de Polignac number, because 981700311179 - 2²⁰ = 981699262603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981700311173) 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, 70121450792 + ... + 70121450805.

It is an arithmetic number, because the mean of its divisors is an integer number (280485803196).

Almost surely, 2^981700311179 is an apocalyptic number.

981700311179 is a deficient number, since it is larger than the sum of its proper divisors (140242901605).

981700311179 is a wasteful number, since it uses less digits than its factorization.

981700311179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140242901604.

The product of its (nonzero) digits is 95256, while the sum is 47.

The spelling of 981700311179 in words is "nine hundred eighty-one billion, seven hundred million, three hundred eleven thousand, one hundred seventy-nine".