898726190249 has 2 divisors, whose sum is σ = 898726190250. Its totient is φ = 898726190248.

The previous prime is 898726190203. The next prime is 898726190281. The reversal of 898726190249 is 942091627898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 758919745600 + 139806444649 = 871160^2 + 373907^2 .

It is a cyclic number.

It is not a de Polignac number, because 898726190249 - 2²⁰ = 898725141673 is a prime.

It is not a weakly prime, because it can be changed into another prime (898726190849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449363095124 + 449363095125.

It is an arithmetic number, because the mean of its divisors is an integer number (449363095125).

Almost surely, 2^898726190249 is an apocalyptic number.

It is an amenable number.

898726190249 is a deficient number, since it is larger than the sum of its proper divisors (1).

898726190249 is an equidigital number, since it uses as much as digits as its factorization.

898726190249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 898726190249 in words is "eight hundred ninety-eight billion, seven hundred twenty-six million, one hundred ninety thousand, two hundred forty-nine".