12849990859 has 2 divisors, whose sum is σ = 12849990860. Its totient is φ = 12849990858.

The previous prime is 12849990847. The next prime is 12849990863. The reversal of 12849990859 is 95809994821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12849990859 - 2⁹ = 12849990347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12849990859.

It is not a weakly prime, because it can be changed into another prime (12849990869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6424995429 + 6424995430.

It is an arithmetic number, because the mean of its divisors is an integer number (6424995430).

Almost surely, 2^12849990859 is an apocalyptic number.

12849990859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12849990859 is an equidigital number, since it uses as much as digits as its factorization.

12849990859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 64.

The spelling of 12849990859 in words is "twelve billion, eight hundred forty-nine million, nine hundred ninety thousand, eight hundred fifty-nine".