90044053699 has 4 divisors (see below), whose sum is σ = 94783214440. Its totient is φ = 85304892960.

The previous prime is 90044053679. The next prime is 90044053703. The reversal of 90044053699 is 99635044009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90044053699 - 2⁵ = 90044053667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90044053679) 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 3 ways as a sum of consecutive naturals, for example, 2369580342 + ... + 2369580379.

It is an arithmetic number, because the mean of its divisors is an integer number (23695803610).

Almost surely, 2^90044053699 is an apocalyptic number.

90044053699 is a deficient number, since it is larger than the sum of its proper divisors (4739160741).

90044053699 is a wasteful number, since it uses less digits than its factorization.

90044053699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739160740.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 90044053699 in words is "ninety billion, forty-four million, fifty-three thousand, six hundred ninety-nine".