83694635841 has 16 divisors (see below), whose sum is σ = 118209786048. Its totient is φ = 52490880000.

The previous prime is 83694635833. The next prime is 83694635873. The reversal of 83694635841 is 14853649638.

It is not a de Polignac number, because 83694635841 - 2³ = 83694635833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83694635891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249720 + ... + 479321.

It is an arithmetic number, because the mean of its divisors is an integer number (7388111628).

Almost surely, 2^83694635841 is an apocalyptic number.

It is an amenable number.

83694635841 is a deficient number, since it is larger than the sum of its proper divisors (34515150207).

83694635841 is a wasteful number, since it uses less digits than its factorization.

83694635841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731312.

The product of its digits is 14929920, while the sum is 57.

The spelling of 83694635841 in words is "eighty-three billion, six hundred ninety-four million, six hundred thirty-five thousand, eight hundred forty-one".