91349100044 has 12 divisors (see below), whose sum is σ = 159867464568. Its totient is φ = 45672681600.

The previous prime is 91349099993. The next prime is 91349100107. The reversal of 91349100044 is 44000194319.

It is a junction number, because it is equal to n+sod(n) for n = 91349099977 and 91349100013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354062 + ... + 555029.

It is an arithmetic number, because the mean of its divisors is an integer number (13322288714).

Almost surely, 2^91349100044 is an apocalyptic number.

It is an amenable number.

91349100044 is a deficient number, since it is larger than the sum of its proper divisors (68518364524).

91349100044 is a wasteful number, since it uses less digits than its factorization.

91349100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934216 (or 934214 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 91349100044 in words is "ninety-one billion, three hundred forty-nine million, one hundred thousand, forty-four".