214660949 has 2 divisors, whose sum is σ = 214660950. Its totient is φ = 214660948.

The previous prime is 214660937. The next prime is 214660951. The reversal of 214660949 is 949066412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183412849 + 31248100 = 13543^2 + 5590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214660949 is a prime.

Together with 214660951, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214660049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107330474 + 107330475.

It is an arithmetic number, because the mean of its divisors is an integer number (107330475).

Almost surely, 2^214660949 is an apocalyptic number.

It is an amenable number.

214660949 is a deficient number, since it is larger than the sum of its proper divisors (1).

214660949 is an equidigital number, since it uses as much as digits as its factorization.

214660949 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 41.

The square root of 214660949 is about 14651.3121937934. The cubic root of 214660949 is about 598.7575670059.

The spelling of 214660949 in words is "two hundred fourteen million, six hundred sixty thousand, nine hundred forty-nine".