12774474745 has 8 divisors (see below), whose sum is σ = 15655526784. Its totient is φ = 10002141744.

The previous prime is 12774474733. The next prime is 12774474751. The reversal of 12774474745 is 54747447721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12774474745 - 2²⁷ = 12640257017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12774474692 and 12774474701.

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, 27179499 + ... + 27179968.

It is an arithmetic number, because the mean of its divisors is an integer number (1956940848).

Almost surely, 2^12774474745 is an apocalyptic number.

It is an amenable number.

12774474745 is a deficient number, since it is larger than the sum of its proper divisors (2881052039).

12774474745 is an equidigital number, since it uses as much as digits as its factorization.

12774474745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54359519.

The product of its digits is 6146560, while the sum is 52.

The spelling of 12774474745 in words is "twelve billion, seven hundred seventy-four million, four hundred seventy-four thousand, seven hundred forty-five".