108297558989 has 2 divisors, whose sum is σ = 108297558990. Its totient is φ = 108297558988.

The previous prime is 108297558979. The next prime is 108297558991. The reversal of 108297558989 is 989855792801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106817848900 + 1479710089 = 326830^2 + 38467^2 .

It is a cyclic number.

It is not a de Polignac number, because 108297558989 - 2²⁸ = 108029123533 is a prime.

It is a super-2 number, since 2×108297558989² (a number of 23 digits) contains 22 as substring.

Together with 108297558991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108297558949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54148779494 + 54148779495.

It is an arithmetic number, because the mean of its divisors is an integer number (54148779495).

Almost surely, 2^108297558989 is an apocalyptic number.

It is an amenable number.

108297558989 is a deficient number, since it is larger than the sum of its proper divisors (1).

108297558989 is an equidigital number, since it uses as much as digits as its factorization.

108297558989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 71.

The spelling of 108297558989 in words is "one hundred eight billion, two hundred ninety-seven million, five hundred fifty-eight thousand, nine hundred eighty-nine".