90089846239 has 2 divisors, whose sum is σ = 90089846240. Its totient is φ = 90089846238.

The previous prime is 90089846221. The next prime is 90089846299. The reversal of 90089846239 is 93264898009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90089846239 - 2¹¹ = 90089844191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90089846299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45044923119 + 45044923120.

It is an arithmetic number, because the mean of its divisors is an integer number (45044923120).

Almost surely, 2^90089846239 is an apocalyptic number.

90089846239 is a deficient number, since it is larger than the sum of its proper divisors (1).

90089846239 is an equidigital number, since it uses as much as digits as its factorization.

90089846239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 90089846239 in words is "ninety billion, eighty-nine million, eight hundred forty-six thousand, two hundred thirty-nine".