213002213209 has 2 divisors, whose sum is σ = 213002213210. Its totient is φ = 213002213208.

The previous prime is 213002213119. The next prime is 213002213243. The reversal of 213002213209 is 902312200312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131290275600 + 81711937609 = 362340^2 + 285853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213002213209 is a prime.

It is not a weakly prime, because it can be changed into another prime (213002223209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106501106604 + 106501106605.

It is an arithmetic number, because the mean of its divisors is an integer number (106501106605).

Almost surely, 2^213002213209 is an apocalyptic number.

It is an amenable number.

213002213209 is a deficient number, since it is larger than the sum of its proper divisors (1).

213002213209 is an equidigital number, since it uses as much as digits as its factorization.

213002213209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 213002213209 in words is "two hundred thirteen billion, two million, two hundred thirteen thousand, two hundred nine".