108899313389 has 2 divisors, whose sum is σ = 108899313390. Its totient is φ = 108899313388.

The previous prime is 108899313329. The next prime is 108899313401. The reversal of 108899313389 is 983313998801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66662076100 + 42237237289 = 258190^2 + 205517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108899313389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108899313329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54449656694 + 54449656695.

It is an arithmetic number, because the mean of its divisors is an integer number (54449656695).

Almost surely, 2^108899313389 is an apocalyptic number.

It is an amenable number.

108899313389 is a deficient number, since it is larger than the sum of its proper divisors (1).

108899313389 is an equidigital number, since it uses as much as digits as its factorization.

108899313389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 108899313389 in words is "one hundred eight billion, eight hundred ninety-nine million, three hundred thirteen thousand, three hundred eighty-nine".