218624024819 has 2 divisors, whose sum is σ = 218624024820. Its totient is φ = 218624024818.

The previous prime is 218624024803. The next prime is 218624024867. The reversal of 218624024819 is 918420426812.

It is a happy number.

218624024819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218624024819 - 2⁴ = 218624024803 is a prime.

It is a super-2 number, since 2×218624024819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (218624023819) 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 as a sum of consecutive naturals, namely, 109312012409 + 109312012410.

It is an arithmetic number, because the mean of its divisors is an integer number (109312012410).

Almost surely, 2^218624024819 is an apocalyptic number.

218624024819 is a deficient number, since it is larger than the sum of its proper divisors (1).

218624024819 is an equidigital number, since it uses as much as digits as its factorization.

218624024819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 218624024819 in words is "two hundred eighteen billion, six hundred twenty-four million, twenty-four thousand, eight hundred nineteen".