1218282635879 has 2 divisors, whose sum is σ = 1218282635880. Its totient is φ = 1218282635878.

The previous prime is 1218282635797. The next prime is 1218282635917. The reversal of 1218282635879 is 9785362828121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1218282635879 - 2²⁸ = 1218014200423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1218282631879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609141317939 + 609141317940.

It is an arithmetic number, because the mean of its divisors is an integer number (609141317940).

Almost surely, 2^{1218282635879} is an apocalyptic number.

1218282635879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1218282635879 is an equidigital number, since it uses as much as digits as its factorization.

1218282635879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 62.

The spelling of 1218282635879 in words is "one trillion, two hundred eighteen billion, two hundred eighty-two million, six hundred thirty-five thousand, eight hundred seventy-nine".