109308438089 has 2 divisors, whose sum is σ = 109308438090. Its totient is φ = 109308438088.

The previous prime is 109308438077. The next prime is 109308438097. The reversal of 109308438089 is 980834803901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109208438089 + 100000000 = 330467^2 + 10000^2 .

It is a cyclic number.

It is not a de Polignac number, because 109308438089 - 2⁴ = 109308438073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109308438089.

It is not a weakly prime, because it can be changed into another prime (109308438289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54654219044 + 54654219045.

It is an arithmetic number, because the mean of its divisors is an integer number (54654219045).

Almost surely, 2^109308438089 is an apocalyptic number.

It is an amenable number.

109308438089 is a deficient number, since it is larger than the sum of its proper divisors (1).

109308438089 is an equidigital number, since it uses as much as digits as its factorization.

109308438089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 109308438089 in words is "one hundred nine billion, three hundred eight million, four hundred thirty-eight thousand, eighty-nine".