11994198429 has 16 divisors (see below), whose sum is σ = 16235870400. Its totient is φ = 7874401920.

The previous prime is 11994198427. The next prime is 11994198431. The reversal of 11994198429 is 92489149911.

It is an interprime number because it is at equal distance from previous prime (11994198427) and next prime (11994198431).

It is not a de Polignac number, because 11994198429 - 2¹ = 11994198427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994198427) 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, 867289 + ... + 881009.

It is an arithmetic number, because the mean of its divisors is an integer number (1014741900).

Almost surely, 2^11994198429 is an apocalyptic number.

It is an amenable number.

11994198429 is a deficient number, since it is larger than the sum of its proper divisors (4241671971).

11994198429 is a wasteful number, since it uses less digits than its factorization.

11994198429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18140.

The product of its digits is 1679616, while the sum is 57.

The spelling of 11994198429 in words is "eleven billion, nine hundred ninety-four million, one hundred ninety-eight thousand, four hundred twenty-nine".