11904790169 has 8 divisors (see below), whose sum is σ = 11943080520. Its totient is φ = 11866542336.

The previous prime is 11904790123. The next prime is 11904790201. The reversal of 11904790169 is 96109740911.

11904790169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24880144 + 11879910025 = 4988^2 + 108995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11904790169 - 2¹² = 11904786073 is a prime.

It is a super-2 number, since 2×11904790169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11904790669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606887 + ... + 626195.

It is an arithmetic number, because the mean of its divisors is an integer number (1492885065).

Almost surely, 2^11904790169 is an apocalyptic number.

It is an amenable number.

11904790169 is a deficient number, since it is larger than the sum of its proper divisors (38290351).

11904790169 is a wasteful number, since it uses less digits than its factorization.

11904790169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21259.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 11904790169 in words is "eleven billion, nine hundred four million, seven hundred ninety thousand, one hundred sixty-nine".