18385637483 has 2 divisors, whose sum is σ = 18385637484. Its totient is φ = 18385637482.

The previous prime is 18385637467. The next prime is 18385637507. The reversal of 18385637483 is 38473658381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18385637483 - 2⁴ = 18385637467 is a prime.

It is not a weakly prime, because it can be changed into another prime (18385637783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9192818741 + 9192818742.

It is an arithmetic number, because the mean of its divisors is an integer number (9192818742).

Almost surely, 2^18385637483 is an apocalyptic number.

18385637483 is a deficient number, since it is larger than the sum of its proper divisors (1).

18385637483 is an equidigital number, since it uses as much as digits as its factorization.

18385637483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 56.

The spelling of 18385637483 in words is "eighteen billion, three hundred eighty-five million, six hundred thirty-seven thousand, four hundred eighty-three".