218365782813741 has 16 divisors (see below), whose sum is σ = 292098059268800. Its totient is φ = 145106098195968.

The previous prime is 218365782813713. The next prime is 218365782813743. The reversal of 218365782813741 is 147318287563812.

It is not a de Polignac number, because 218365782813741 - 2¹⁸ = 218365782551597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218365782813743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92679076 + ... + 95006013.

It is an arithmetic number, because the mean of its divisors is an integer number (18256128704300).

Almost surely, 2^{218365782813741} is an apocalyptic number.

It is an amenable number.

218365782813741 is a deficient number, since it is larger than the sum of its proper divisors (73732276455059).

218365782813741 is a wasteful number, since it uses less digits than its factorization.

218365782813741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187686348.

The product of its digits is 108380160, while the sum is 66.

The spelling of 218365782813741 in words is "two hundred eighteen trillion, three hundred sixty-five billion, seven hundred eighty-two million, eight hundred thirteen thousand, seven hundred forty-one".