2098479807929 has 2 divisors, whose sum is σ = 2098479807930. Its totient is φ = 2098479807928.

The previous prime is 2098479807887. The next prime is 2098479807953. The reversal of 2098479807929 is 9297089748902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1501494876025 + 596984931904 = 1225355^2 + 772648^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098479807929 - 2⁴⁰ = 998968180153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2098479807979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049239903964 + 1049239903965.

It is an arithmetic number, because the mean of its divisors is an integer number (1049239903965).

Almost surely, 2^{2098479807929} is an apocalyptic number.

It is an amenable number.

2098479807929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098479807929 is an equidigital number, since it uses as much as digits as its factorization.

2098479807929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 2098479807929 in words is "two trillion, ninety-eight billion, four hundred seventy-nine million, eight hundred seven thousand, nine hundred twenty-nine".