418994899 has 2 divisors, whose sum is σ = 418994900. Its totient is φ = 418994898.

The previous prime is 418994893. The next prime is 418994911. The reversal of 418994899 is 998499814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 418994899 - 2¹³ = 418986707 is a prime.

It is not a weakly prime, because it can be changed into another prime (418994893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209497449 + 209497450.

It is an arithmetic number, because the mean of its divisors is an integer number (209497450).

Almost surely, 2^418994899 is an apocalyptic number.

418994899 is a deficient number, since it is larger than the sum of its proper divisors (1).

418994899 is an equidigital number, since it uses as much as digits as its factorization.

418994899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 61.

The square root of 418994899 is about 20469.3648900009. The cubic root of 418994899 is about 748.2893747964.

The spelling of 418994899 in words is "four hundred eighteen million, nine hundred ninety-four thousand, eight hundred ninety-nine".