18348367033 has 2 divisors, whose sum is σ = 18348367034. Its totient is φ = 18348367032.

The previous prime is 18348366991. The next prime is 18348367039. The reversal of 18348367033 is 33076384381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17920373689 + 427993344 = 133867^2 + 20688^2 .

It is an emirp because it is prime and its reverse (33076384381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18348367033 - 2²¹ = 18346269881 is a prime.

It is not a weakly prime, because it can be changed into another prime (18348367039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9174183516 + 9174183517.

It is an arithmetic number, because the mean of its divisors is an integer number (9174183517).

Almost surely, 2^18348367033 is an apocalyptic number.

It is an amenable number.

18348367033 is a deficient number, since it is larger than the sum of its proper divisors (1).

18348367033 is an equidigital number, since it uses as much as digits as its factorization.

18348367033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 18348367033 in words is "eighteen billion, three hundred forty-eight million, three hundred sixty-seven thousand, thirty-three".