12398842634 has 8 divisors (see below), whose sum is σ = 18600853440. Its totient is φ = 6198558156.

The previous prime is 12398842627. The next prime is 12398842649. The reversal of 12398842634 is 43624889321.

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

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, 413474 + ... + 442445.

It is an arithmetic number, because the mean of its divisors is an integer number (2325106680).

Almost surely, 2^12398842634 is an apocalyptic number.

12398842634 is a deficient number, since it is larger than the sum of its proper divisors (6202010806).

12398842634 is an equidigital number, since it uses as much as digits as its factorization.

12398842634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863164.

The product of its digits is 1990656, while the sum is 50.

The spelling of 12398842634 in words is "twelve billion, three hundred ninety-eight million, eight hundred forty-two thousand, six hundred thirty-four".