213633540143 has 2 divisors, whose sum is σ = 213633540144. Its totient is φ = 213633540142.

The previous prime is 213633540103. The next prime is 213633540179. The reversal of 213633540143 is 341045336312.

213633540143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213633540143 - 2¹⁸ = 213633277999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213633540103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106816770071 + 106816770072.

It is an arithmetic number, because the mean of its divisors is an integer number (106816770072).

Almost surely, 2^213633540143 is an apocalyptic number.

213633540143 is a deficient number, since it is larger than the sum of its proper divisors (1).

213633540143 is an equidigital number, since it uses as much as digits as its factorization.

213633540143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 213633540143 its reverse (341045336312), we get a palindrome (554678876455).

The spelling of 213633540143 in words is "two hundred thirteen billion, six hundred thirty-three million, five hundred forty thousand, one hundred forty-three".