899041417 has 2 divisors, whose sum is σ = 899041418. Its totient is φ = 899041416.

The previous prime is 899041361. The next prime is 899041453. The reversal of 899041417 is 714140998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648262521 + 250778896 = 25461^2 + 15836^2 .

It is a cyclic number.

It is not a de Polignac number, because 899041417 - 2²³ = 890652809 is a prime.

It is not a weakly prime, because it can be changed into another prime (893041417) 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, 449520708 + 449520709.

It is an arithmetic number, because the mean of its divisors is an integer number (449520709).

Almost surely, 2^899041417 is an apocalyptic number.

It is an amenable number.

899041417 is a deficient number, since it is larger than the sum of its proper divisors (1).

899041417 is an equidigital number, since it uses as much as digits as its factorization.

899041417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 899041417 is about 29984.0193603193. The cubic root of 899041417 is about 965.1464844253.

The spelling of 899041417 in words is "eight hundred ninety-nine million, forty-one thousand, four hundred seventeen".