35972116491 has 16 divisors (see below), whose sum is σ = 50579523200. Its totient is φ = 22677677568.

The previous prime is 35972116471. The next prime is 35972116493. The reversal of 35972116491 is 19461127953.

It is not a de Polignac number, because 35972116491 - 2¹⁰ = 35972115467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35972116491.

It is not an unprimeable number, because it can be changed into a prime (35972116493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545686 + ... + 608043.

It is an arithmetic number, because the mean of its divisors is an integer number (3161220200).

Almost surely, 2^35972116491 is an apocalyptic number.

35972116491 is a deficient number, since it is larger than the sum of its proper divisors (14607406709).

35972116491 is a wasteful number, since it uses less digits than its factorization.

35972116491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154298.

The product of its digits is 408240, while the sum is 48.

The spelling of 35972116491 in words is "thirty-five billion, nine hundred seventy-two million, one hundred sixteen thousand, four hundred ninety-one".