108394368289 has 3 divisors (see below), whose sum is σ = 108394697523. Its totient is φ = 108394039056.

The previous prime is 108394368241. The next prime is 108394368431. The reversal of 108394368289 is 982863493801.

The square root of 108394368289 is 329233.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 98435925025 + 9958443264 = 313745^2 + 99792^2 .

It is not a de Polignac number, because 108394368289 - 2¹³ = 108394360097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108394368989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 164617 + ... + 493849.

It is an arithmetic number, because the mean of its divisors is an integer number (36131565841).

Almost surely, 2^108394368289 is an apocalyptic number.

108394368289 is the 329233-rd square number.

108394368289 is the 164617-th centered octagonal number.

It is an amenable number.

108394368289 is a deficient number, since it is larger than the sum of its proper divisors (329234).

108394368289 is an frugal number, since it uses more digits than its factorization.

108394368289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658466 (or 329233 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 108394368289 in words is "one hundred eight billion, three hundred ninety-four million, three hundred sixty-eight thousand, two hundred eighty-nine".