12468928546 has 4 divisors (see below), whose sum is σ = 18703392822. Its totient is φ = 6234464272.

The previous prime is 12468928529. The next prime is 12468928597. The reversal of 12468928546 is 64582986421.

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., 11271007225 + 1197921321 = 106165^2 + 34611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3117232135 + ... + 3117232138.

Almost surely, 2^12468928546 is an apocalyptic number.

12468928546 is a deficient number, since it is larger than the sum of its proper divisors (6234464276).

12468928546 is an equidigital number, since it uses as much as digits as its factorization.

12468928546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234464275.

The product of its digits is 6635520, while the sum is 55.

The spelling of 12468928546 in words is "twelve billion, four hundred sixty-eight million, nine hundred twenty-eight thousand, five hundred forty-six".