214732145669 has 2 divisors, whose sum is σ = 214732145670. Its totient is φ = 214732145668.

The previous prime is 214732145653. The next prime is 214732145671. The reversal of 214732145669 is 966541237412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214449569569 + 282576100 = 463087^2 + 16810^2 .

It is a cyclic number.

It is not a de Polignac number, because 214732145669 - 2⁴ = 214732145653 is a prime.

It is a super-2 number, since 2×214732145669² (a number of 23 digits) contains 22 as substring.

Together with 214732145671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214732145689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107366072834 + 107366072835.

It is an arithmetic number, because the mean of its divisors is an integer number (107366072835).

Almost surely, 2^214732145669 is an apocalyptic number.

It is an amenable number.

214732145669 is a deficient number, since it is larger than the sum of its proper divisors (1).

214732145669 is an equidigital number, since it uses as much as digits as its factorization.

214732145669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 214732145669 in words is "two hundred fourteen billion, seven hundred thirty-two million, one hundred forty-five thousand, six hundred sixty-nine".