108494799169 has 2 divisors, whose sum is σ = 108494799170. Its totient is φ = 108494799168.

The previous prime is 108494799167. The next prime is 108494799239. The reversal of 108494799169 is 961997494801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105681557569 + 2813241600 = 325087^2 + 53040^2 .

It is a cyclic number.

It is not a de Polignac number, because 108494799169 - 2¹ = 108494799167 is a prime.

It is a super-2 number, since 2×108494799169² (a number of 23 digits) contains 22 as substring.

Together with 108494799167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (108494799167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54247399584 + 54247399585.

It is an arithmetic number, because the mean of its divisors is an integer number (54247399585).

Almost surely, 2^108494799169 is an apocalyptic number.

It is an amenable number.

108494799169 is a deficient number, since it is larger than the sum of its proper divisors (1).

108494799169 is an equidigital number, since it uses as much as digits as its factorization.

108494799169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 108494799169 in words is "one hundred eight billion, four hundred ninety-four million, seven hundred ninety-nine thousand, one hundred sixty-nine".