91333481842 has 8 divisors (see below), whose sum is σ = 137110978476. Its totient is φ = 45629822352.

The previous prime is 91333481731. The next prime is 91333481857. The reversal of 91333481842 is 24818433319.

It can be written as a sum of positive squares in 2 ways, for example, as 89603836921 + 1729644921 = 299339^2 + 41589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 91333481792 and 91333481801.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18456193 + ... + 18461140.

Almost surely, 2^91333481842 is an apocalyptic number.

91333481842 is a deficient number, since it is larger than the sum of its proper divisors (45777496634).

91333481842 is a wasteful number, since it uses less digits than its factorization.

91333481842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36918572.

The product of its digits is 497664, while the sum is 46.

The spelling of 91333481842 in words is "ninety-one billion, three hundred thirty-three million, four hundred eighty-one thousand, eight hundred forty-two".