214331899 has 2 divisors, whose sum is σ = 214331900. Its totient is φ = 214331898.

The previous prime is 214331867. The next prime is 214331921. The reversal of 214331899 is 998133412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214331899 - 2⁵ = 214331867 is a prime.

It is not a weakly prime, because it can be changed into another prime (214331809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107165949 + 107165950.

It is an arithmetic number, because the mean of its divisors is an integer number (107165950).

Almost surely, 2^214331899 is an apocalyptic number.

214331899 is a deficient number, since it is larger than the sum of its proper divisors (1).

214331899 is an equidigital number, since it uses as much as digits as its factorization.

214331899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 214331899 is about 14640.0785175490. The cubic root of 214331899 is about 598.4514688943.

It can be divided in two parts, 21433 and 1899, that added together give a palindrome (23332).

The spelling of 214331899 in words is "two hundred fourteen million, three hundred thirty-one thousand, eight hundred ninety-nine".