2730018390289 has 2 divisors, whose sum is σ = 2730018390290. Its totient is φ = 2730018390288.

The previous prime is 2730018390287. The next prime is 2730018390317. The reversal of 2730018390289 is 9820938100372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1640692001025 + 1089326389264 = 1280895^2 + 1043708^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730018390289 - 2¹ = 2730018390287 is a prime.

It is a super-2 number, since 2×2730018390289² (a number of 26 digits) contains 22 as substring.

Together with 2730018390287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2730018390287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365009195144 + 1365009195145.

It is an arithmetic number, because the mean of its divisors is an integer number (1365009195145).

Almost surely, 2^{2730018390289} is an apocalyptic number.

It is an amenable number.

2730018390289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730018390289 is an equidigital number, since it uses as much as digits as its factorization.

2730018390289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 2730018390289 in words is "two trillion, seven hundred thirty billion, eighteen million, three hundred ninety thousand, two hundred eighty-nine".