90730064233 has 2 divisors, whose sum is σ = 90730064234. Its totient is φ = 90730064232.

The previous prime is 90730064209. The next prime is 90730064267. The reversal of 90730064233 is 33246003709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51364329769 + 39365734464 = 226637^2 + 198408^2 .

It is a cyclic number.

It is not a de Polignac number, because 90730064233 - 2¹³ = 90730056041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90730064192 and 90730064201.

It is not a weakly prime, because it can be changed into another prime (90730034233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45365032116 + 45365032117.

It is an arithmetic number, because the mean of its divisors is an integer number (45365032117).

Almost surely, 2^90730064233 is an apocalyptic number.

It is an amenable number.

90730064233 is a deficient number, since it is larger than the sum of its proper divisors (1).

90730064233 is an equidigital number, since it uses as much as digits as its factorization.

90730064233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 90730064233 in words is "ninety billion, seven hundred thirty million, sixty-four thousand, two hundred thirty-three".