214899169 has 2 divisors, whose sum is σ = 214899170. Its totient is φ = 214899168.

The previous prime is 214899151. The next prime is 214899173. The reversal of 214899169 is 961998412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180230625 + 34668544 = 13425^2 + 5888^2 .

It is a cyclic number.

It is not a de Polignac number, because 214899169 - 2⁹ = 214898657 is a prime.

It is a super-2 number, since 2×214899169² = 92363305673781122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214899119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107449584 + 107449585.

It is an arithmetic number, because the mean of its divisors is an integer number (107449585).

Almost surely, 2^214899169 is an apocalyptic number.

It is an amenable number.

214899169 is a deficient number, since it is larger than the sum of its proper divisors (1).

214899169 is an equidigital number, since it uses as much as digits as its factorization.

214899169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 49.

The square root of 214899169 is about 14659.4395868328. The cubic root of 214899169 is about 598.9789755377.

The spelling of 214899169 in words is "two hundred fourteen million, eight hundred ninety-nine thousand, one hundred sixty-nine".