18348435797233 has 2 divisors, whose sum is σ = 18348435797234. Its totient is φ = 18348435797232.

The previous prime is 18348435797089. The next prime is 18348435797249. The reversal of 18348435797233 is 33279753484381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17714393069409 + 634042727824 = 4208847^2 + 796268^2 .

It is a cyclic number.

It is not a de Polignac number, because 18348435797233 - 2⁹ = 18348435796721 is a prime.

It is not a weakly prime, because it can be changed into another prime (18348435797033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9174217898616 + 9174217898617.

It is an arithmetic number, because the mean of its divisors is an integer number (9174217898617).

Almost surely, 2^{18348435797233} is an apocalyptic number.

It is an amenable number.

18348435797233 is a deficient number, since it is larger than the sum of its proper divisors (1).

18348435797233 is an equidigital number, since it uses as much as digits as its factorization.

18348435797233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 365783040, while the sum is 67.

The spelling of 18348435797233 in words is "eighteen trillion, three hundred forty-eight billion, four hundred thirty-five million, seven hundred ninety-seven thousand, two hundred thirty-three".