898148663 has 2 divisors, whose sum is σ = 898148664. Its totient is φ = 898148662.

The previous prime is 898148623. The next prime is 898148717. The reversal of 898148663 is 366841898.

898148663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898148663 - 2⁶ = 898148599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898148623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449074331 + 449074332.

It is an arithmetic number, because the mean of its divisors is an integer number (449074332).

Almost surely, 2^898148663 is an apocalyptic number.

898148663 is a deficient number, since it is larger than the sum of its proper divisors (1).

898148663 is an equidigital number, since it uses as much as digits as its factorization.

898148663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 53.

The square root of 898148663 is about 29969.1284991739. The cubic root of 898148663 is about 964.8269130352.

The spelling of 898148663 in words is "eight hundred ninety-eight million, one hundred forty-eight thousand, six hundred sixty-three".