12479479466 has 4 divisors (see below), whose sum is σ = 18719219202. Its totient is φ = 6239739732.

The previous prime is 12479479457. The next prime is 12479479477. The reversal of 12479479466 is 66497497421.

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., 12427567441 + 51912025 = 111479^2 + 7205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119869865 + ... + 3119869868.

Almost surely, 2^12479479466 is an apocalyptic number.

12479479466 is a deficient number, since it is larger than the sum of its proper divisors (6239739736).

12479479466 is an equidigital number, since it uses as much as digits as its factorization.

12479479466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239739735.

The product of its digits is 18289152, while the sum is 59.

The spelling of 12479479466 in words is "twelve billion, four hundred seventy-nine million, four hundred seventy-nine thousand, four hundred sixty-six".