12398490674 has 8 divisors (see below), whose sum is σ = 18852499740. Its totient is φ = 6114324096.

The previous prime is 12398490661. The next prime is 12398490701. The reversal of 12398490674 is 47609489321.

It can be written as a sum of positive squares in 2 ways, for example, as 11805909025 + 592581649 = 108655^2 + 24343^2 .

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, 42460439 + ... + 42460730.

Almost surely, 2^12398490674 is an apocalyptic number.

12398490674 is a deficient number, since it is larger than the sum of its proper divisors (6454009066).

12398490674 is an equidigital number, since it uses as much as digits as its factorization.

12398490674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84921244.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 12398490674 in words is "twelve billion, three hundred ninety-eight million, four hundred ninety thousand, six hundred seventy-four".