2018036780369 has 2 divisors, whose sum is σ = 2018036780370. Its totient is φ = 2018036780368.

The previous prime is 2018036780273. The next prime is 2018036780371. The reversal of 2018036780369 is 9630876308102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946848137025 + 71188643344 = 1395295^2 + 266812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018036780369 is a prime.

It is a super-2 number, since 2×2018036780369² (a number of 25 digits) contains 22 as substring.

Together with 2018036780371, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2018036780369.

It is not a weakly prime, because it can be changed into another prime (2018036780399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009018390184 + 1009018390185.

It is an arithmetic number, because the mean of its divisors is an integer number (1009018390185).

Almost surely, 2^{2018036780369} is an apocalyptic number.

It is an amenable number.

2018036780369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018036780369 is an equidigital number, since it uses as much as digits as its factorization.

2018036780369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2018036780369 in words is "two trillion, eighteen billion, thirty-six million, seven hundred eighty thousand, three hundred sixty-nine".