214746449 has 2 divisors, whose sum is σ = 214746450. Its totient is φ = 214746448.

The previous prime is 214746437. The next prime is 214746473. The reversal of 214746449 is 944647412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194881600 + 19864849 = 13960^2 + 4457^2 .

It is a cyclic number.

It is not a de Polignac number, because 214746449 - 2²⁰ = 213697873 is a prime.

It is a super-2 number, since 2×214746449² = 92232074716219202, which contains 22 as substring.

It is a Chen prime.

It is equal to p_11848982 and since 214746449 and 11848982 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (214746419) 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, 107373224 + 107373225.

It is an arithmetic number, because the mean of its divisors is an integer number (107373225).

Almost surely, 2^214746449 is an apocalyptic number.

It is an amenable number.

214746449 is a deficient number, since it is larger than the sum of its proper divisors (1).

214746449 is an equidigital number, since it uses as much as digits as its factorization.

214746449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 214746449 is about 14654.2297306955. The cubic root of 214746449 is about 598.8370520059.

The spelling of 214746449 in words is "two hundred fourteen million, seven hundred forty-six thousand, four hundred forty-nine".