971957944133 has 16 divisors (see below), whose sum is σ = 1102940616960. Its totient is φ = 848415758400.

The previous prime is 971957944123. The next prime is 971957944169. The reversal of 971957944133 is 331449759179.

It is a cyclic number.

It is not a de Polignac number, because 971957944133 - 2¹⁰ = 971957943109 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 (971957944123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8359085 + ... + 8474562.

It is an arithmetic number, because the mean of its divisors is an integer number (68933788560).

Almost surely, 2^971957944133 is an apocalyptic number.

It is an amenable number.

971957944133 is a deficient number, since it is larger than the sum of its proper divisors (130982672827).

971957944133 is a wasteful number, since it uses less digits than its factorization.

971957944133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833868.

The product of its digits is 25719120, while the sum is 62.

The spelling of 971957944133 in words is "nine hundred seventy-one billion, nine hundred fifty-seven million, nine hundred forty-four thousand, one hundred thirty-three".