2218151912359 has 2 divisors, whose sum is σ = 2218151912360. Its totient is φ = 2218151912358.

The previous prime is 2218151912357. The next prime is 2218151912371. The reversal of 2218151912359 is 9532191518122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2218151912359 - 2¹ = 2218151912357 is a prime.

Together with 2218151912357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218151912351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109075956179 + 1109075956180.

It is an arithmetic number, because the mean of its divisors is an integer number (1109075956180).

Almost surely, 2^{2218151912359} is an apocalyptic number.

2218151912359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218151912359 is an equidigital number, since it uses as much as digits as its factorization.

2218151912359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 49.

The spelling of 2218151912359 in words is "two trillion, two hundred eighteen billion, one hundred fifty-one million, nine hundred twelve thousand, three hundred fifty-nine".