214308476209 has 2 divisors, whose sum is σ = 214308476210. Its totient is φ = 214308476208.

The previous prime is 214308476197. The next prime is 214308476219. The reversal of 214308476209 is 902674803412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212615976609 + 1692499600 = 461103^2 + 41140^2 .

It is a cyclic number.

It is not a de Polignac number, because 214308476209 - 2¹⁷ = 214308345137 is a prime.

It is not a weakly prime, because it can be changed into another prime (214308476219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107154238104 + 107154238105.

It is an arithmetic number, because the mean of its divisors is an integer number (107154238105).

Almost surely, 2^214308476209 is an apocalyptic number.

It is an amenable number.

214308476209 is a deficient number, since it is larger than the sum of its proper divisors (1).

214308476209 is an equidigital number, since it uses as much as digits as its factorization.

214308476209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 214308476209 in words is "two hundred fourteen billion, three hundred eight million, four hundred seventy-six thousand, two hundred nine".