214469149 has 2 divisors, whose sum is σ = 214469150. Its totient is φ = 214469148.

The previous prime is 214469137. The next prime is 214469183. The reversal of 214469149 is 941964412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213685924 + 783225 = 14618^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 214469149 - 2⁵ = 214469117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214469119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107234574 + 107234575.

It is an arithmetic number, because the mean of its divisors is an integer number (107234575).

Almost surely, 2^214469149 is an apocalyptic number.

It is an amenable number.

214469149 is a deficient number, since it is larger than the sum of its proper divisors (1).

214469149 is an equidigital number, since it uses as much as digits as its factorization.

214469149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 214469149 is about 14644.7652422290. The cubic root of 214469149 is about 598.5791834936.

The spelling of 214469149 in words is "two hundred fourteen million, four hundred sixty-nine thousand, one hundred forty-nine".