214675691 has 2 divisors, whose sum is σ = 214675692. Its totient is φ = 214675690.

The previous prime is 214675673. The next prime is 214675693. The reversal of 214675691 is 196576412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214675691 - 2¹⁰ = 214674667 is a prime.

Together with 214675693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214675693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107337845 + 107337846.

It is an arithmetic number, because the mean of its divisors is an integer number (107337846).

Almost surely, 2^214675691 is an apocalyptic number.

214675691 is a deficient number, since it is larger than the sum of its proper divisors (1).

214675691 is an equidigital number, since it uses as much as digits as its factorization.

214675691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 214675691 is about 14651.8152800259. The cubic root of 214675691 is about 598.7712733989.

The spelling of 214675691 in words is "two hundred fourteen million, six hundred seventy-five thousand, six hundred ninety-one".