213163763 has 2 divisors, whose sum is σ = 213163764. Its totient is φ = 213163762.

The previous prime is 213163759. The next prime is 213163801. The reversal of 213163763 is 367361312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213163763 - 2² = 213163759 is a prime.

It is not a weakly prime, because it can be changed into another prime (213165763) 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, 106581881 + 106581882.

It is an arithmetic number, because the mean of its divisors is an integer number (106581882).

Almost surely, 2^213163763 is an apocalyptic number.

213163763 is a deficient number, since it is larger than the sum of its proper divisors (1).

213163763 is an equidigital number, since it uses as much as digits as its factorization.

213163763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 213163763 is about 14600.1288692943. The cubic root of 213163763 is about 597.3622756394.

The spelling of 213163763 in words is "two hundred thirteen million, one hundred sixty-three thousand, seven hundred sixty-three".