18334643363 has 2 divisors, whose sum is σ = 18334643364. Its totient is φ = 18334643362.

The previous prime is 18334643287. The next prime is 18334643377. The reversal of 18334643363 is 36334643381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18334643363 - 2¹⁶ = 18334577827 is a prime.

It is not a weakly prime, because it can be changed into another prime (18334603363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9167321681 + 9167321682.

It is an arithmetic number, because the mean of its divisors is an integer number (9167321682).

Almost surely, 2^18334643363 is an apocalyptic number.

18334643363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18334643363 is an equidigital number, since it uses as much as digits as its factorization.

18334643363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 44.

The spelling of 18334643363 in words is "eighteen billion, three hundred thirty-four million, six hundred forty-three thousand, three hundred sixty-three".