90073557917433 has 12 divisors (see below), whose sum is σ = 130122776053140. Its totient is φ = 60041411352576.

The previous prime is 90073557917411. The next prime is 90073557917437. The reversal of 90073557917433 is 33471975537009.

90073557917433 is a `hidden beast` number, since 9 + 0 + 0 + 7 + 3 + 5 + 579 + 17 + 43 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40037344835049 + 50036213082384 = 6327507^2 + 7073628^2 .

It is not a de Polignac number, because 90073557917433 - 2⁸ = 90073557917177 is a prime.

It is a super-2 number, since 2×90073557917433² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90073557917437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635530128 + ... + 635671841.

It is an arithmetic number, because the mean of its divisors is an integer number (10843564671095).

Almost surely, 2^{90073557917433} is an apocalyptic number.

It is an amenable number.

90073557917433 is a deficient number, since it is larger than the sum of its proper divisors (40049218135707).

90073557917433 is a wasteful number, since it uses less digits than its factorization.

90073557917433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271209848 (or 1271209845 counting only the distinct ones).

The product of its (nonzero) digits is 75014100, while the sum is 63.

The spelling of 90073557917433 in words is "ninety trillion, seventy-three billion, five hundred fifty-seven million, nine hundred seventeen thousand, four hundred thirty-three".