213002312249 has 2 divisors, whose sum is σ = 213002312250. Its totient is φ = 213002312248.

The previous prime is 213002312221. The next prime is 213002312267. The reversal of 213002312249 is 942213200312.

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., 167166499600 + 45835812649 = 408860^2 + 214093^2 .

It is a cyclic number.

It is not a de Polignac number, because 213002312249 - 2¹⁶ = 213002246713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213002392249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106501156124 + 106501156125.

It is an arithmetic number, because the mean of its divisors is an integer number (106501156125).

Almost surely, 2^213002312249 is an apocalyptic number.

It is an amenable number.

213002312249 is a deficient number, since it is larger than the sum of its proper divisors (1).

213002312249 is an equidigital number, since it uses as much as digits as its factorization.

213002312249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 213002312249 in words is "two hundred thirteen billion, two million, three hundred twelve thousand, two hundred forty-nine".