18084901642733 has 2 divisors, whose sum is σ = 18084901642734. Its totient is φ = 18084901642732.

The previous prime is 18084901642631. The next prime is 18084901642771. The reversal of 18084901642733 is 33724610948081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15615798532489 + 2469103110244 = 3951683^2 + 1571338^2 .

It is an emirp because it is prime and its reverse (33724610948081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18084901642733 - 2³⁸ = 17810023735789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18084901642433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9042450821366 + 9042450821367.

It is an arithmetic number, because the mean of its divisors is an integer number (9042450821367).

Almost surely, 2^{18084901642733} is an apocalyptic number.

It is an amenable number.

18084901642733 is a deficient number, since it is larger than the sum of its proper divisors (1).

18084901642733 is an equidigital number, since it uses as much as digits as its factorization.

18084901642733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 18084901642733 in words is "eighteen trillion, eighty-four billion, nine hundred one million, six hundred forty-two thousand, seven hundred thirty-three".