12892093209 has 6 divisors (see below), whose sum is σ = 18621912426. Its totient is φ = 8594728800.

The previous prime is 12892093153. The next prime is 12892093213. The reversal of 12892093209 is 90239029821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8941593600 + 3950499609 = 94560^2 + 62853^2 .

It is not a de Polignac number, because 12892093209 - 2¹¹ = 12892091161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12892094209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716227392 + ... + 716227409.

It is an arithmetic number, because the mean of its divisors is an integer number (3103652071).

Almost surely, 2^12892093209 is an apocalyptic number.

It is an amenable number.

12892093209 is a deficient number, since it is larger than the sum of its proper divisors (5729819217).

12892093209 is a wasteful number, since it uses less digits than its factorization.

12892093209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432454807 (or 1432454804 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 12892093209 in words is "twelve billion, eight hundred ninety-two million, ninety-three thousand, two hundred nine".