213297973836383 has 2 divisors, whose sum is σ = 213297973836384. Its totient is φ = 213297973836382.

The previous prime is 213297973836307. The next prime is 213297973836403. The reversal of 213297973836383 is 383638379792312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213297973836383 - 2¹² = 213297973832287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213297973836383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213297973836583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106648986918191 + 106648986918192.

It is an arithmetic number, because the mean of its divisors is an integer number (106648986918192).

Almost surely, 2^{213297973836383} is an apocalyptic number.

213297973836383 is a deficient number, since it is larger than the sum of its proper divisors (1).

213297973836383 is an equidigital number, since it uses as much as digits as its factorization.

213297973836383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481421312, while the sum is 74.

The spelling of 213297973836383 in words is "two hundred thirteen trillion, two hundred ninety-seven billion, nine hundred seventy-three million, eight hundred thirty-six thousand, three hundred eighty-three".