408099149 has 2 divisors, whose sum is σ = 408099150. Its totient is φ = 408099148.

The previous prime is 408099137. The next prime is 408099151. The reversal of 408099149 is 941990804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305725225 + 102373924 = 17485^2 + 10118^2 .

It is a cyclic number.

It is not a de Polignac number, because 408099149 - 2²⁴ = 391321933 is a prime.

Together with 408099151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408092149) 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, 204049574 + 204049575.

It is an arithmetic number, because the mean of its divisors is an integer number (204049575).

Almost surely, 2^408099149 is an apocalyptic number.

It is an amenable number.

408099149 is a deficient number, since it is larger than the sum of its proper divisors (1).

408099149 is an equidigital number, since it uses as much as digits as its factorization.

408099149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 408099149 is about 20201.4640311043. The cubic root of 408099149 is about 741.7460285792.

The spelling of 408099149 in words is "four hundred eight million, ninety-nine thousand, one hundred forty-nine".