12749115093 has 32 divisors (see below), whose sum is σ = 19983247872. Its totient is φ = 7127870400.

The previous prime is 12749115077. The next prime is 12749115097. The reversal of 12749115093 is 39051194721.

It is not a de Polignac number, because 12749115093 - 2⁴ = 12749115077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749115097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740958 + ... + 757968.

It is an arithmetic number, because the mean of its divisors is an integer number (624476496).

Almost surely, 2^12749115093 is an apocalyptic number.

12749115093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12749115093 is a deficient number, since it is larger than the sum of its proper divisors (7234132779).

12749115093 is a wasteful number, since it uses less digits than its factorization.

12749115093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 12749115093 in words is "twelve billion, seven hundred forty-nine million, one hundred fifteen thousand, ninety-three".