1018322417729 has 2 divisors, whose sum is σ = 1018322417730. Its totient is φ = 1018322417728.

The previous prime is 1018322417711. The next prime is 1018322417771. The reversal of 1018322417729 is 9277142238101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005511573504 + 12810844225 = 1002752^2 + 113185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018322417729 - 2¹⁶ = 1018322352193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1018322416729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509161208864 + 509161208865.

It is an arithmetic number, because the mean of its divisors is an integer number (509161208865).

Almost surely, 2^{1018322417729} is an apocalyptic number.

It is an amenable number.

1018322417729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018322417729 is an equidigital number, since it uses as much as digits as its factorization.

1018322417729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 1018322417729 in words is "one trillion, eighteen billion, three hundred twenty-two million, four hundred seventeen thousand, seven hundred twenty-nine".