90492539009 has 8 divisors (see below), whose sum is σ = 95267646240. Its totient is φ = 85718666016.

The previous prime is 90492538967. The next prime is 90492539017. The reversal of 90492539009 is 90093529409.

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

It is a cyclic number.

It is not a de Polignac number, because 90492539009 - 2¹⁶ = 90492473473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90492539089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156119 + ... + 453164.

It is an arithmetic number, because the mean of its divisors is an integer number (11908455780).

Almost surely, 2^90492539009 is an apocalyptic number.

It is an amenable number.

90492539009 is a deficient number, since it is larger than the sum of its proper divisors (4775107231).

90492539009 is a wasteful number, since it uses less digits than its factorization.

90492539009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617119.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 90492539009 in words is "ninety billion, four hundred ninety-two million, five hundred thirty-nine thousand, nine".