89144444113 has 2 divisors, whose sum is σ = 89144444114. Its totient is φ = 89144444112.

The previous prime is 89144444089. The next prime is 89144444209. The reversal of 89144444113 is 31144444198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81311663104 + 7832781009 = 285152^2 + 88503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89144444113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89144444113.

It is not a weakly prime, because it can be changed into another prime (89144444513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44572222056 + 44572222057.

It is an arithmetic number, because the mean of its divisors is an integer number (44572222057).

Almost surely, 2^89144444113 is an apocalyptic number.

It is an amenable number.

89144444113 is a deficient number, since it is larger than the sum of its proper divisors (1).

89144444113 is an equidigital number, since it uses as much as digits as its factorization.

89144444113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The spelling of 89144444113 in words is "eighty-nine billion, one hundred forty-four million, four hundred forty-four thousand, one hundred thirteen".