214384742289 has 9 divisors (see below), whose sum is σ = 309668856393. Its totient is φ = 142922235492.

The previous prime is 214384742287. The next prime is 214384742303. The reversal of 214384742289 is 982247483412.

The square root of 214384742289 is 463017.

It is a perfect power (a square), and thus also a powerful number.

214384742289 is a `hidden beast` number, since 2 + 143 + 8 + 474 + 2 + 28 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 214384742289 - 2¹ = 214384742287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214384742287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1311882 + ... + 1466220.

Almost surely, 2^214384742289 is an apocalyptic number.

214384742289 is the 463017-th square number.

214384742289 is the 231509-th centered octagonal number.

It is an amenable number.

214384742289 is a deficient number, since it is larger than the sum of its proper divisors (95284114104).

214384742289 is an frugal number, since it uses more digits than its factorization.

214384742289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308684 (or 154342 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 214384742289 in words is "two hundred fourteen billion, three hundred eighty-four million, seven hundred forty-two thousand, two hundred eighty-nine".