213232193249 has 2 divisors, whose sum is σ = 213232193250. Its totient is φ = 213232193248.

The previous prime is 213232193231. The next prime is 213232193261. The reversal of 213232193249 is 942391232312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188056659025 + 25175534224 = 433655^2 + 158668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213232193249 is a prime.

It is not a weakly prime, because it can be changed into another prime (213232193299) 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, 106616096624 + 106616096625.

It is an arithmetic number, because the mean of its divisors is an integer number (106616096625).

Almost surely, 2^213232193249 is an apocalyptic number.

It is an amenable number.

213232193249 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232193249 is an equidigital number, since it uses as much as digits as its factorization.

213232193249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The spelling of 213232193249 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred ninety-three thousand, two hundred forty-nine".