1618733144279 has 2 divisors, whose sum is σ = 1618733144280. Its totient is φ = 1618733144278.

The previous prime is 1618733144267. The next prime is 1618733144333. The reversal of 1618733144279 is 9724413378161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1618733144279 - 2²⁰ = 1618732095703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1618733144239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809366572139 + 809366572140.

It is an arithmetic number, because the mean of its divisors is an integer number (809366572140).

Almost surely, 2^{1618733144279} is an apocalyptic number.

1618733144279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618733144279 is an equidigital number, since it uses as much as digits as its factorization.

1618733144279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The spelling of 1618733144279 in words is "one trillion, six hundred eighteen billion, seven hundred thirty-three million, one hundred forty-four thousand, two hundred seventy-nine".