213318118799 has 2 divisors, whose sum is σ = 213318118800. Its totient is φ = 213318118798.

The previous prime is 213318118789. The next prime is 213318118843. The reversal of 213318118799 is 997811813312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213318118799 - 2¹² = 213318114703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213318118799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213318118789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106659059399 + 106659059400.

It is an arithmetic number, because the mean of its divisors is an integer number (106659059400).

Almost surely, 2^213318118799 is an apocalyptic number.

213318118799 is a deficient number, since it is larger than the sum of its proper divisors (1).

213318118799 is an equidigital number, since it uses as much as digits as its factorization.

213318118799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 53.

The spelling of 213318118799 in words is "two hundred thirteen billion, three hundred eighteen million, one hundred eighteen thousand, seven hundred ninety-nine".