11994969794 has 4 divisors (see below), whose sum is σ = 17992454694. Its totient is φ = 5997484896.

The previous prime is 11994969793. The next prime is 11994969817. The reversal of 11994969794 is 49796949911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11675883025 + 319086769 = 108055^2 + 17863^2 .

It is not an unprimeable number, because it can be changed into a prime (11994969793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998742447 + ... + 2998742450.

Almost surely, 2^11994969794 is an apocalyptic number.

11994969794 is a deficient number, since it is larger than the sum of its proper divisors (5997484900).

11994969794 is an equidigital number, since it uses as much as digits as its factorization.

11994969794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997484899.

The product of its digits is 39680928, while the sum is 68.

The spelling of 11994969794 in words is "eleven billion, nine hundred ninety-four million, nine hundred sixty-nine thousand, seven hundred ninety-four".