18341833537 has 2 divisors, whose sum is σ = 18341833538. Its totient is φ = 18341833536.

The previous prime is 18341833487. The next prime is 18341833541. The reversal of 18341833537 is 73533814381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9300866481 + 9040967056 = 96441^2 + 95084^2 .

It is a cyclic number.

It is not a de Polignac number, because 18341833537 - 2¹¹ = 18341831489 is a prime.

It is not a weakly prime, because it can be changed into another prime (18344833537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9170916768 + 9170916769.

It is an arithmetic number, because the mean of its divisors is an integer number (9170916769).

Almost surely, 2^18341833537 is an apocalyptic number.

It is an amenable number.

18341833537 is a deficient number, since it is larger than the sum of its proper divisors (1).

18341833537 is an equidigital number, since it uses as much as digits as its factorization.

18341833537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 18341833537 in words is "eighteen billion, three hundred forty-one million, eight hundred thirty-three thousand, five hundred thirty-seven".