108792980449 has 4 divisors (see below), whose sum is σ = 108793641364. Its totient is φ = 108792319536.

The previous prime is 108792980431. The next prime is 108792980521. The reversal of 108792980449 is 944089297801.

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 2 ways, for example, as 56199814225 + 52593166224 = 237065^2 + 229332^2 .

It is a cyclic number.

It is not a de Polignac number, because 108792980449 - 2¹¹ = 108792978401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108792980249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134899 + ... + 485575.

It is an arithmetic number, because the mean of its divisors is an integer number (27198410341).

Almost surely, 2^108792980449 is an apocalyptic number.

It is an amenable number.

108792980449 is a deficient number, since it is larger than the sum of its proper divisors (660915).

108792980449 is an equidigital number, since it uses as much as digits as its factorization.

108792980449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660914.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 108792980449 in words is "one hundred eight billion, seven hundred ninety-two million, nine hundred eighty thousand, four hundred forty-nine".