18811453363 has 2 divisors, whose sum is σ = 18811453364. Its totient is φ = 18811453362.

The previous prime is 18811453357. The next prime is 18811453433. The reversal of 18811453363 is 36335411881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18811453363 - 2¹³ = 18811445171 is a prime.

It is not a weakly prime, because it can be changed into another prime (18811453303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9405726681 + 9405726682.

It is an arithmetic number, because the mean of its divisors is an integer number (9405726682).

Almost surely, 2^18811453363 is an apocalyptic number.

18811453363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18811453363 is an equidigital number, since it uses as much as digits as its factorization.

18811453363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The spelling of 18811453363 in words is "eighteen billion, eight hundred eleven million, four hundred fifty-three thousand, three hundred sixty-three".