18696327443 has 2 divisors, whose sum is σ = 18696327444. Its totient is φ = 18696327442.

The previous prime is 18696327401. The next prime is 18696327491. The reversal of 18696327443 is 34472369681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18696327443 - 2¹⁶ = 18696261907 is a prime.

It is not a weakly prime, because it can be changed into another prime (18696327043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9348163721 + 9348163722.

It is an arithmetic number, because the mean of its divisors is an integer number (9348163722).

Almost surely, 2^18696327443 is an apocalyptic number.

18696327443 is a deficient number, since it is larger than the sum of its proper divisors (1).

18696327443 is an equidigital number, since it uses as much as digits as its factorization.

18696327443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 18696327443 in words is "eighteen billion, six hundred ninety-six million, three hundred twenty-seven thousand, four hundred forty-three".