16904249769 has 16 divisors (see below), whose sum is σ = 24591861504. Its totient is φ = 10243390800.

The previous prime is 16904249743. The next prime is 16904249797. The reversal of 16904249769 is 96794240961.

It is not a de Polignac number, because 16904249769 - 2²⁵ = 16870695337 is a prime.

It is a super-2 number, since 2×16904249769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16904249269) 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 15 ways as a sum of consecutive naturals, for example, 193302 + ... + 266784.

It is an arithmetic number, because the mean of its divisors is an integer number (1536991344).

Almost surely, 2^16904249769 is an apocalyptic number.

It is an amenable number.

16904249769 is a deficient number, since it is larger than the sum of its proper divisors (7687611735).

16904249769 is a wasteful number, since it uses less digits than its factorization.

16904249769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80468.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 16904249769 in words is "sixteen billion, nine hundred four million, two hundred forty-nine thousand, seven hundred sixty-nine".