12849342789 has 16 divisors (see below), whose sum is σ = 17668247040. Its totient is φ = 8302423920.

The previous prime is 12849342773. The next prime is 12849342791. The reversal of 12849342789 is 98724394821.

It is not a de Polignac number, because 12849342789 - 2⁴ = 12849342773 is a prime.

It is a super-2 number, since 2×12849342789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849342089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498667 + ... + 523800.

It is an arithmetic number, because the mean of its divisors is an integer number (1104265440).

Almost surely, 2^12849342789 is an apocalyptic number.

It is an amenable number.

12849342789 is a deficient number, since it is larger than the sum of its proper divisors (4818904251).

12849342789 is a wasteful number, since it uses less digits than its factorization.

12849342789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022600.

The product of its digits is 6967296, while the sum is 57.

The spelling of 12849342789 in words is "twelve billion, eight hundred forty-nine million, three hundred forty-two thousand, seven hundred eighty-nine".