18741125233 has 2 divisors, whose sum is σ = 18741125234. Its totient is φ = 18741125232.

The previous prime is 18741125201. The next prime is 18741125267. The reversal of 18741125233 is 33252114781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18205295329 + 535829904 = 134927^2 + 23148^2 .

It is an emirp because it is prime and its reverse (33252114781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18741125233 - 2⁵ = 18741125201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18741125192 and 18741125201.

It is not a weakly prime, because it can be changed into another prime (18741135233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9370562616 + 9370562617.

It is an arithmetic number, because the mean of its divisors is an integer number (9370562617).

Almost surely, 2^18741125233 is an apocalyptic number.

It is an amenable number.

18741125233 is a deficient number, since it is larger than the sum of its proper divisors (1).

18741125233 is an equidigital number, since it uses as much as digits as its factorization.

18741125233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The spelling of 18741125233 in words is "eighteen billion, seven hundred forty-one million, one hundred twenty-five thousand, two hundred thirty-three".