108453980917 has 2 divisors, whose sum is σ = 108453980918. Its totient is φ = 108453980916.

The previous prime is 108453980867. The next prime is 108453981007. The reversal of 108453980917 is 719089354801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85877716401 + 22576264516 = 293049^2 + 150254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108453980917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108453980017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54226990458 + 54226990459.

It is an arithmetic number, because the mean of its divisors is an integer number (54226990459).

Almost surely, 2^108453980917 is an apocalyptic number.

It is an amenable number.

108453980917 is a deficient number, since it is larger than the sum of its proper divisors (1).

108453980917 is an equidigital number, since it uses as much as digits as its factorization.

108453980917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 108453980917 in words is "one hundred eight billion, four hundred fifty-three million, nine hundred eighty thousand, nine hundred seventeen".