218119039487 has 2 divisors, whose sum is σ = 218119039488. Its totient is φ = 218119039486.

The previous prime is 218119039483. The next prime is 218119039513. The reversal of 218119039487 is 784930911812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218119039487 - 2² = 218119039483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218119039483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109059519743 + 109059519744.

It is an arithmetic number, because the mean of its divisors is an integer number (109059519744).

Almost surely, 2^218119039487 is an apocalyptic number.

218119039487 is a deficient number, since it is larger than the sum of its proper divisors (1).

218119039487 is an equidigital number, since it uses as much as digits as its factorization.

218119039487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 218119039487 in words is "two hundred eighteen billion, one hundred nineteen million, thirty-nine thousand, four hundred eighty-seven".