214212543109 has 2 divisors, whose sum is σ = 214212543110. Its totient is φ = 214212543108.

The previous prime is 214212543073. The next prime is 214212543173. The reversal of 214212543109 is 901345212412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147074551009 + 67137992100 = 383503^2 + 259110^2 .

It is a cyclic number.

It is not a de Polignac number, because 214212543109 - 2⁹ = 214212542597 is a prime.

It is a super-3 number, since 3×214212543109³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214212543509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107106271554 + 107106271555.

It is an arithmetic number, because the mean of its divisors is an integer number (107106271555).

Almost surely, 2^214212543109 is an apocalyptic number.

It is an amenable number.

214212543109 is a deficient number, since it is larger than the sum of its proper divisors (1).

214212543109 is an equidigital number, since it uses as much as digits as its factorization.

214212543109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 214212543109 in words is "two hundred fourteen billion, two hundred twelve million, five hundred forty-three thousand, one hundred nine".