12800737869 has 4 divisors (see below), whose sum is σ = 17067650496. Its totient is φ = 8533825244.

The previous prime is 12800737861. The next prime is 12800737871. The reversal of 12800737869 is 96873700821.

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 a cyclic number.

It is not a de Polignac number, because 12800737869 - 2³ = 12800737861 is a prime.

It is a super-2 number, since 2×12800737869² (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 (12800737861) 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, 2133456309 + ... + 2133456314.

It is an arithmetic number, because the mean of its divisors is an integer number (4266912624).

Almost surely, 2^12800737869 is an apocalyptic number.

It is an amenable number.

12800737869 is a deficient number, since it is larger than the sum of its proper divisors (4266912627).

12800737869 is an equidigital number, since it uses as much as digits as its factorization.

12800737869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266912626.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 12800737869 in words is "twelve billion, eight hundred million, seven hundred thirty-seven thousand, eight hundred sixty-nine".