12802343449 has 4 divisors (see below), whose sum is σ = 14631249664. Its totient is φ = 10973437236.

The previous prime is 12802343443. The next prime is 12802343479. The reversal of 12802343449 is 94434320821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94434320821 = 11969 ⋅7889909.

It is a cyclic number.

It is not a de Polignac number, because 12802343449 - 2³ = 12802343441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12802343441) 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, 914453097 + ... + 914453110.

It is an arithmetic number, because the mean of its divisors is an integer number (3657812416).

Almost surely, 2^12802343449 is an apocalyptic number.

It is an amenable number.

12802343449 is a deficient number, since it is larger than the sum of its proper divisors (1828906215).

12802343449 is an equidigital number, since it uses as much as digits as its factorization.

12802343449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828906214.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 12802343449 in words is "twelve billion, eight hundred two million, three hundred forty-three thousand, four hundred forty-nine".