89368255660493 has 2 divisors, whose sum is σ = 89368255660494. Its totient is φ = 89368255660492.

The previous prime is 89368255660487. The next prime is 89368255660511. The reversal of 89368255660493 is 39406655286398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66625867526089 + 22742388134404 = 8162467^2 + 4768898^2 .

It is a cyclic number.

It is not a de Polignac number, because 89368255660493 - 2⁶ = 89368255660429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89368255660493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89368255660393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44684127830246 + 44684127830247.

It is an arithmetic number, because the mean of its divisors is an integer number (44684127830247).

Almost surely, 2^{89368255660493} is an apocalyptic number.

It is an amenable number.

89368255660493 is a deficient number, since it is larger than the sum of its proper divisors (1).

89368255660493 is an equidigital number, since it uses as much as digits as its factorization.

89368255660493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2015539200, while the sum is 74.

The spelling of 89368255660493 in words is "eighty-nine trillion, three hundred sixty-eight billion, two hundred fifty-five million, six hundred sixty thousand, four hundred ninety-three".