213889336163 has 2 divisors, whose sum is σ = 213889336164. Its totient is φ = 213889336162.

The previous prime is 213889336159. The next prime is 213889336181. The reversal of 213889336163 is 361633988312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213889336163 - 2² = 213889336159 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213889336663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106944668081 + 106944668082.

It is an arithmetic number, because the mean of its divisors is an integer number (106944668082).

Almost surely, 2^213889336163 is an apocalyptic number.

213889336163 is a deficient number, since it is larger than the sum of its proper divisors (1).

213889336163 is an equidigital number, since it uses as much as digits as its factorization.

213889336163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The spelling of 213889336163 in words is "two hundred thirteen billion, eight hundred eighty-nine million, three hundred thirty-six thousand, one hundred sixty-three".