18045328739 has 2 divisors, whose sum is σ = 18045328740. Its totient is φ = 18045328738.

The previous prime is 18045328723. The next prime is 18045328771. The reversal of 18045328739 is 93782354081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18045328739 - 2⁴ = 18045328723 is a prime.

It is not a weakly prime, because it can be changed into another prime (18045328789) 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, 9022664369 + 9022664370.

It is an arithmetic number, because the mean of its divisors is an integer number (9022664370).

Almost surely, 2^18045328739 is an apocalyptic number.

18045328739 is a deficient number, since it is larger than the sum of its proper divisors (1).

18045328739 is an equidigital number, since it uses as much as digits as its factorization.

18045328739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 18045328739 in words is "eighteen billion, forty-five million, three hundred twenty-eight thousand, seven hundred thirty-nine".