12718479445 has 48 divisors (see below), whose sum is σ = 18785433600. Its totient is φ = 8261828064.

The previous prime is 12718479427. The next prime is 12718479451. The reversal of 12718479445 is 54497481721.

It is not a de Polignac number, because 12718479445 - 2⁹ = 12718478933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12718479392 and 12718479401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608844 + ... + 629386.

It is an arithmetic number, because the mean of its divisors is an integer number (391363200).

Almost surely, 2^12718479445 is an apocalyptic number.

It is an amenable number.

12718479445 is a deficient number, since it is larger than the sum of its proper divisors (6066954155).

12718479445 is an equidigital number, since it uses as much as digits as its factorization.

12718479445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607 (or 20574 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The spelling of 12718479445 in words is "twelve billion, seven hundred eighteen million, four hundred seventy-nine thousand, four hundred forty-five".