90014439589 has 2 divisors, whose sum is σ = 90014439590. Its totient is φ = 90014439588.

The previous prime is 90014439587. The next prime is 90014439607. The reversal of 90014439589 is 98593441009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88774202500 + 1240237089 = 297950^2 + 35217^2 .

It is a cyclic number.

It is not a de Polignac number, because 90014439589 - 2¹ = 90014439587 is a prime.

Together with 90014439587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90014439587) 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 as a sum of consecutive naturals, namely, 45007219794 + 45007219795.

It is an arithmetic number, because the mean of its divisors is an integer number (45007219795).

Almost surely, 2^90014439589 is an apocalyptic number.

It is an amenable number.

90014439589 is a deficient number, since it is larger than the sum of its proper divisors (1).

90014439589 is an equidigital number, since it uses as much as digits as its factorization.

90014439589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 90014439589 in words is "ninety billion, fourteen million, four hundred thirty-nine thousand, five hundred eighty-nine".