12890023829 has 2 divisors, whose sum is σ = 12890023830. Its totient is φ = 12890023828.

The previous prime is 12890023819. The next prime is 12890023901. The reversal of 12890023829 is 92832009821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8098200100 + 4791823729 = 89990^2 + 69223^2 .

It is a cyclic number.

It is not a de Polignac number, because 12890023829 - 2⁴ = 12890023813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12890023829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12890023819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445011914 + 6445011915.

It is an arithmetic number, because the mean of its divisors is an integer number (6445011915).

Almost surely, 2^12890023829 is an apocalyptic number.

It is an amenable number.

12890023829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12890023829 is an equidigital number, since it uses as much as digits as its factorization.

12890023829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 12890023829 in words is "twelve billion, eight hundred ninety million, twenty-three thousand, eight hundred twenty-nine".