214409149 has 2 divisors, whose sum is σ = 214409150. Its totient is φ = 214409148.

The previous prime is 214409089. The next prime is 214409171. The reversal of 214409149 is 941904412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207216025 + 7193124 = 14395^2 + 2682^2 .

It is a cyclic number.

It is not a de Polignac number, because 214409149 - 2⁹ = 214408637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214469149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107204574 + 107204575.

It is an arithmetic number, because the mean of its divisors is an integer number (107204575).

Almost surely, 2^214409149 is an apocalyptic number.

It is an amenable number.

214409149 is a deficient number, since it is larger than the sum of its proper divisors (1).

214409149 is an equidigital number, since it uses as much as digits as its factorization.

214409149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 214409149 is about 14642.7165853881. The cubic root of 214409149 is about 598.5233586801.

The spelling of 214409149 in words is "two hundred fourteen million, four hundred nine thousand, one hundred forty-nine".