398892498859 has 2 divisors, whose sum is σ = 398892498860. Its totient is φ = 398892498858.

The previous prime is 398892498857. The next prime is 398892498883. The reversal of 398892498859 is 958894298893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398892498859 - 2¹ = 398892498857 is a prime.

Together with 398892498857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (398892498857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199446249429 + 199446249430.

It is an arithmetic number, because the mean of its divisors is an integer number (199446249430).

Almost surely, 2^398892498859 is an apocalyptic number.

398892498859 is a deficient number, since it is larger than the sum of its proper divisors (1).

398892498859 is an equidigital number, since it uses as much as digits as its factorization.

398892498859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3224862720, while the sum is 82.

The spelling of 398892498859 in words is "three hundred ninety-eight billion, eight hundred ninety-two million, four hundred ninety-eight thousand, eight hundred fifty-nine".