970157322691 has 4 divisors (see below), whose sum is σ = 970602555400. Its totient is φ = 969712089984.

The previous prime is 970157322683. The next prime is 970157322713. The reversal of 970157322691 is 196223751079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196223751079 = 37123 ⋅5285773.

It is a cyclic number.

It is not a de Polignac number, because 970157322691 - 2³ = 970157322683 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (970157323691) 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, 222613086 + ... + 222617443.

It is an arithmetic number, because the mean of its divisors is an integer number (242650638850).

Almost surely, 2^970157322691 is an apocalyptic number.

970157322691 is a deficient number, since it is larger than the sum of its proper divisors (445232709).

970157322691 is a wasteful number, since it uses less digits than its factorization.

970157322691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445232708.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 970157322691 in words is "nine hundred seventy billion, one hundred fifty-seven million, three hundred twenty-two thousand, six hundred ninety-one".