214919449 has 2 divisors, whose sum is σ = 214919450. Its totient is φ = 214919448.

The previous prime is 214919447. The next prime is 214919459. The reversal of 214919449 is 944919412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115777600 + 99141849 = 10760^2 + 9957^2 .

It is a cyclic number.

It is not a de Polignac number, because 214919449 - 2¹ = 214919447 is a prime.

Together with 214919447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (214919447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107459724 + 107459725.

It is an arithmetic number, because the mean of its divisors is an integer number (107459725).

Almost surely, 2^214919449 is an apocalyptic number.

It is an amenable number.

214919449 is a deficient number, since it is larger than the sum of its proper divisors (1).

214919449 is an equidigital number, since it uses as much as digits as its factorization.

214919449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 214919449 is about 14660.1312749920. The cubic root of 214919449 is about 598.9978167949.

The spelling of 214919449 in words is "two hundred fourteen million, nine hundred nineteen thousand, four hundred forty-nine".