12749573254 has 12 divisors (see below), whose sum is σ = 21020991012. Its totient is φ = 5795260460.

The previous prime is 12749573231. The next prime is 12749573273. The reversal of 12749573254 is 45237594721.

It is a super-2 number, since 2×12749573254² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12749573198 and 12749573207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26341852 + ... + 26342335.

It is an arithmetic number, because the mean of its divisors is an integer number (1751749251).

Almost surely, 2^12749573254 is an apocalyptic number.

12749573254 is a deficient number, since it is larger than the sum of its proper divisors (8271417758).

12749573254 is a wasteful number, since it uses less digits than its factorization.

12749573254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684211 (or 52684200 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 12749573254 in words is "twelve billion, seven hundred forty-nine million, five hundred seventy-three thousand, two hundred fifty-four".