99044689 has 2 divisors, whose sum is σ = 99044690. Its totient is φ = 99044688.

The previous prime is 99044653. The next prime is 99044711. The reversal of 99044689 is 98644099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92794689 + 6250000 = 9633^2 + 2500^2 .

It is an emirp because it is prime and its reverse (98644099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99044689 - 2⁹ = 99044177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99044189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49522344 + 49522345.

It is an arithmetic number, because the mean of its divisors is an integer number (49522345).

Almost surely, 2^99044689 is an apocalyptic number.

It is an amenable number.

99044689 is a deficient number, since it is larger than the sum of its proper divisors (1).

99044689 is an equidigital number, since it uses as much as digits as its factorization.

99044689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 99044689 is about 9952.1198244394. The cubic root of 99044689 is about 462.6760979284.

The spelling of 99044689 in words is "ninety-nine million, forty-four thousand, six hundred eighty-nine".