18313333672633 has 2 divisors, whose sum is σ = 18313333672634. Its totient is φ = 18313333672632.

The previous prime is 18313333672603. The next prime is 18313333672687. The reversal of 18313333672633 is 33627633331381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14219173972224 + 4094159700409 = 3770832^2 + 2023403^2 .

It is an emirp because it is prime and its reverse (33627633331381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18313333672633 - 2¹⁷ = 18313333541561 is a prime.

It is not a weakly prime, because it can be changed into another prime (18313333672603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9156666836316 + 9156666836317.

It is an arithmetic number, because the mean of its divisors is an integer number (9156666836317).

Almost surely, 2^{18313333672633} is an apocalyptic number.

It is an amenable number.

18313333672633 is a deficient number, since it is larger than the sum of its proper divisors (1).

18313333672633 is an equidigital number, since it uses as much as digits as its factorization.

18313333672633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 52.

The spelling of 18313333672633 in words is "eighteen trillion, three hundred thirteen billion, three hundred thirty-three million, six hundred seventy-two thousand, six hundred thirty-three".