213268771843 has 2 divisors, whose sum is σ = 213268771844. Its totient is φ = 213268771842.

The previous prime is 213268771789. The next prime is 213268771861. The reversal of 213268771843 is 348177862312.

213268771843 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 213268771843 - 2³⁷ = 75829818371 is a prime.

It is not a weakly prime, because it can be changed into another prime (213268771543) 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, 106634385921 + 106634385922.

It is an arithmetic number, because the mean of its divisors is an integer number (106634385922).

Almost surely, 2^213268771843 is an apocalyptic number.

213268771843 is a deficient number, since it is larger than the sum of its proper divisors (1).

213268771843 is an equidigital number, since it uses as much as digits as its factorization.

213268771843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The spelling of 213268771843 in words is "two hundred thirteen billion, two hundred sixty-eight million, seven hundred seventy-one thousand, eight hundred forty-three".