90094401731 has 8 divisors (see below), whose sum is σ = 90161164800. Its totient is φ = 90027667912.

The previous prime is 90094401701. The next prime is 90094401743. The reversal of 90094401731 is 13710449009.

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 90094401731 - 2¹⁰ = 90094400707 is a prime.

It is a super-2 number, since 2×90094401731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90094401701) 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 7 ways as a sum of consecutive naturals, for example, 14299820 + ... + 14306118.

It is an arithmetic number, because the mean of its divisors is an integer number (11270145600).

Almost surely, 2^90094401731 is an apocalyptic number.

90094401731 is a deficient number, since it is larger than the sum of its proper divisors (66763069).

90094401731 is a wasteful number, since it uses less digits than its factorization.

90094401731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14625.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 90094401731 in words is "ninety billion, ninety-four million, four hundred one thousand, seven hundred thirty-one".