899196289 has 2 divisors, whose sum is σ = 899196290. Its totient is φ = 899196288.

The previous prime is 899196241. The next prime is 899196377. The reversal of 899196289 is 982691998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483648064 + 415548225 = 21992^2 + 20385^2 .

It is a cyclic number.

It is not a de Polignac number, because 899196289 - 2⁷ = 899196161 is a prime.

It is not a weakly prime, because it can be changed into another prime (899196229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449598144 + 449598145.

It is an arithmetic number, because the mean of its divisors is an integer number (449598145).

Almost surely, 2^899196289 is an apocalyptic number.

It is an amenable number.

899196289 is a deficient number, since it is larger than the sum of its proper divisors (1).

899196289 is an equidigital number, since it uses as much as digits as its factorization.

899196289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 61.

The square root of 899196289 is about 29986.6018248150. The cubic root of 899196289 is about 965.2019010729.

The spelling of 899196289 in words is "eight hundred ninety-nine million, one hundred ninety-six thousand, two hundred eighty-nine".