91049683 has 4 divisors (see below), whose sum is σ = 91068768. Its totient is φ = 91030600.

The previous prime is 91049659. The next prime is 91049687. The reversal of 91049683 is 38694019.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91049683 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91049687) 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, 4758 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (22767192).

Almost surely, 2^91049683 is an apocalyptic number.

91049683 is a deficient number, since it is larger than the sum of its proper divisors (19085).

91049683 is an equidigital number, since it uses as much as digits as its factorization.

91049683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19084.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 91049683 is about 9541.9957556058. The cubic root of 91049683 is about 449.8759872264.

The spelling of 91049683 in words is "ninety-one million, forty-nine thousand, six hundred eighty-three".