12842933889 has 4 divisors (see below), whose sum is σ = 17123911856. Its totient is φ = 8561955924.

The previous prime is 12842933837. The next prime is 12842933893. The reversal of 12842933889 is 98833924821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12842933889 - 2⁸ = 12842933633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12842933809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140488979 + ... + 2140488984.

It is an arithmetic number, because the mean of its divisors is an integer number (4280977964).

Almost surely, 2^12842933889 is an apocalyptic number.

It is an amenable number.

12842933889 is a deficient number, since it is larger than the sum of its proper divisors (4280977967).

12842933889 is an equidigital number, since it uses as much as digits as its factorization.

12842933889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280977966.

The product of its digits is 5971968, while the sum is 57.

The spelling of 12842933889 in words is "twelve billion, eight hundred forty-two million, nine hundred thirty-three thousand, eight hundred eighty-nine".