91996749795941 has 4 divisors (see below), whose sum is σ = 92055759900000. Its totient is φ = 91937739691884.

The previous prime is 91996749795889. The next prime is 91996749796001. The reversal of 91996749795941 is 14959794769919.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91996749795941 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 (91996749795541) 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, 29505049691 + ... + 29505052808.

It is an arithmetic number, because the mean of its divisors is an integer number (23013939975000).

Almost surely, 2^{91996749795941} is an apocalyptic number.

It is an amenable number.

91996749795941 is a deficient number, since it is larger than the sum of its proper divisors (59010104059).

91996749795941 is a wasteful number, since it uses less digits than its factorization.

91996749795941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59010104058.

The product of its digits is 12499492320, while the sum is 89.

The spelling of 91996749795941 in words is "ninety-one trillion, nine hundred ninety-six billion, seven hundred forty-nine million, seven hundred ninety-five thousand, nine hundred forty-one".