89934012089 has 2 divisors, whose sum is σ = 89934012090. Its totient is φ = 89934012088.

The previous prime is 89934012073. The next prime is 89934012139. The reversal of 89934012089 is 98021043998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88863610000 + 1070402089 = 298100^2 + 32717^2 .

It is a cyclic number.

It is not a de Polignac number, because 89934012089 - 2⁴ = 89934012073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89934012089.

It is not a weakly prime, because it can be changed into another prime (89934018089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44967006044 + 44967006045.

It is an arithmetic number, because the mean of its divisors is an integer number (44967006045).

Almost surely, 2^89934012089 is an apocalyptic number.

It is an amenable number.

89934012089 is a deficient number, since it is larger than the sum of its proper divisors (1).

89934012089 is an equidigital number, since it uses as much as digits as its factorization.

89934012089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 89934012089 in words is "eighty-nine billion, nine hundred thirty-four million, twelve thousand, eighty-nine".