214962689 has 2 divisors, whose sum is σ = 214962690. Its totient is φ = 214962688.

The previous prime is 214962677. The next prime is 214962697. The reversal of 214962689 is 986269412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214915600 + 47089 = 14660^2 + 217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214962689 is a prime.

It is a super-2 number, since 2×214962689² = 92417915324221442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214962619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107481344 + 107481345.

It is an arithmetic number, because the mean of its divisors is an integer number (107481345).

Almost surely, 2^214962689 is an apocalyptic number.

It is an amenable number.

214962689 is a deficient number, since it is larger than the sum of its proper divisors (1).

214962689 is an equidigital number, since it uses as much as digits as its factorization.

214962689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 214962689 is about 14661.6059488720. The cubic root of 214962689 is about 599.0379852222.

The spelling of 214962689 in words is "two hundred fourteen million, nine hundred sixty-two thousand, six hundred eighty-nine".