12745739048 has 32 divisors (see below), whose sum is σ = 27947472960. Its totient is φ = 5335424640.

The previous prime is 12745739033. The next prime is 12745739057. The reversal of 12745739048 is 84093754721.

It is a junction number, because it is equal to n+sod(n) for n = 12745738987 and 12745739005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2644133 + ... + 2648948.

It is an arithmetic number, because the mean of its divisors is an integer number (873358530).

Almost surely, 2^12745739048 is an apocalyptic number.

It is an amenable number.

12745739048 is an abundant number, since it is smaller than the sum of its proper divisors (15201733912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12745739048 is a wasteful number, since it uses less digits than its factorization.

12745739048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293137 (or 5293133 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 12745739048 in words is "twelve billion, seven hundred forty-five million, seven hundred thirty-nine thousand, forty-eight".