90073457331 has 16 divisors (see below), whose sum is σ = 141094087680. Its totient is φ = 50390745120.

The previous prime is 90073457317. The next prime is 90073457347. The reversal of 90073457331 is 13375437009.

It is not a de Polignac number, because 90073457331 - 2¹⁹ = 90072933043 is a prime.

It is a super-2 number, since 2×90073457331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90073457311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104980291 + ... + 104981148.

It is an arithmetic number, because the mean of its divisors is an integer number (8818380480).

Almost surely, 2^90073457331 is an apocalyptic number.

90073457331 is a deficient number, since it is larger than the sum of its proper divisors (51020630349).

90073457331 is a wasteful number, since it uses less digits than its factorization.

90073457331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209961466.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 90073457331 in words is "ninety billion, seventy-three million, four hundred fifty-seven thousand, three hundred thirty-one".