218563460039 has 2 divisors, whose sum is σ = 218563460040. Its totient is φ = 218563460038.

The previous prime is 218563459987. The next prime is 218563460053. The reversal of 218563460039 is 930064365812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218563460039 - 2¹⁶ = 218563394503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218563459975 and 218563460002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218563460069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109281730019 + 109281730020.

It is an arithmetic number, because the mean of its divisors is an integer number (109281730020).

Almost surely, 2^218563460039 is an apocalyptic number.

218563460039 is a deficient number, since it is larger than the sum of its proper divisors (1).

218563460039 is an equidigital number, since it uses as much as digits as its factorization.

218563460039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 218563460039 in words is "two hundred eighteen billion, five hundred sixty-three million, four hundred sixty thousand, thirty-nine".