2218462387863 has 4 divisors (see below), whose sum is σ = 2957949850488. Its totient is φ = 1478974925240.

The previous prime is 2218462387853. The next prime is 2218462387961. The reversal of 2218462387863 is 3687832648122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2218462387863 - 2²⁸ = 2218193952407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2218462387797 and 2218462387806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218462387853) 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 in 3 ways as a sum of consecutive naturals, for example, 369743731308 + ... + 369743731313.

It is an arithmetic number, because the mean of its divisors is an integer number (739487462622).

Almost surely, 2^{2218462387863} is an apocalyptic number.

2218462387863 is a deficient number, since it is larger than the sum of its proper divisors (739487462625).

2218462387863 is an equidigital number, since it uses as much as digits as its factorization.

2218462387863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739487462624.

The product of its digits is 37158912, while the sum is 60.

The spelling of 2218462387863 in words is "two trillion, two hundred eighteen billion, four hundred sixty-two million, three hundred eighty-seven thousand, eight hundred sixty-three".