12749573253 has 16 divisors (see below), whose sum is σ = 17620920000. Its totient is φ = 8190147840.

The previous prime is 12749573231. The next prime is 12749573273. The reversal of 12749573253 is 35237594721.

It is not a de Polignac number, because 12749573253 - 2¹³ = 12749565061 is a prime.

It is a super-2 number, since 2×12749573253² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749573273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103428 + ... + 190253.

It is an arithmetic number, because the mean of its divisors is an integer number (1101307500).

Almost surely, 2^12749573253 is an apocalyptic number.

It is an amenable number.

12749573253 is a deficient number, since it is larger than the sum of its proper divisors (4871346747).

12749573253 is a wasteful number, since it uses less digits than its factorization.

12749573253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294212.

The product of its digits is 1587600, while the sum is 48.

The spelling of 12749573253 in words is "twelve billion, seven hundred forty-nine million, five hundred seventy-three thousand, two hundred fifty-three".