12098966809 has 2 divisors, whose sum is σ = 12098966810. Its totient is φ = 12098966808.

The previous prime is 12098966797. The next prime is 12098966819. The reversal of 12098966809 is 90866989021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10264729225 + 1834237584 = 101315^2 + 42828^2 .

It is a cyclic number.

It is not a de Polignac number, because 12098966809 - 2⁵ = 12098966777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12098966819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049483404 + 6049483405.

It is an arithmetic number, because the mean of its divisors is an integer number (6049483405).

Almost surely, 2^12098966809 is an apocalyptic number.

It is an amenable number.

12098966809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12098966809 is an equidigital number, since it uses as much as digits as its factorization.

12098966809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 12098966809 in words is "twelve billion, ninety-eight million, nine hundred sixty-six thousand, eight hundred nine".