12449374918 has 8 divisors (see below), whose sum is σ = 18680078160. Its totient is φ = 6222682200.

The previous prime is 12449374901. The next prime is 12449374943. The reversal of 12449374918 is 81947394421.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994858 + ... + 1007293.

It is an arithmetic number, because the mean of its divisors is an integer number (2335009770).

Almost surely, 2^12449374918 is an apocalyptic number.

12449374918 is a deficient number, since it is larger than the sum of its proper divisors (6230703242).

12449374918 is a wasteful number, since it uses less digits than its factorization.

12449374918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005262.

The product of its digits is 1741824, while the sum is 52.

The spelling of 12449374918 in words is "twelve billion, four hundred forty-nine million, three hundred seventy-four thousand, nine hundred eighteen".