418356899 has 2 divisors, whose sum is σ = 418356900. Its totient is φ = 418356898.

The previous prime is 418356853. The next prime is 418356901. The reversal of 418356899 is 998653814.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418356899 is a prime.

It is a Sophie Germain prime.

Together with 418356901, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 418356899.

It is not a weakly prime, because it can be changed into another prime (418356599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209178449 + 209178450.

It is an arithmetic number, because the mean of its divisors is an integer number (209178450).

Almost surely, 2^418356899 is an apocalyptic number.

418356899 is a deficient number, since it is larger than the sum of its proper divisors (1).

418356899 is an equidigital number, since it uses as much as digits as its factorization.

418356899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 53.

The square root of 418356899 is about 20453.7746883063. The cubic root of 418356899 is about 747.9093772174.

The spelling of 418356899 in words is "four hundred eighteen million, three hundred fifty-six thousand, eight hundred ninety-nine".