18348541983899 has 2 divisors, whose sum is σ = 18348541983900. Its totient is φ = 18348541983898.

The previous prime is 18348541983857. The next prime is 18348541983913. The reversal of 18348541983899 is 99838914584381.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18348541983899 is a prime.

It is not a weakly prime, because it can be changed into another prime (18348541983839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9174270991949 + 9174270991950.

It is an arithmetic number, because the mean of its divisors is an integer number (9174270991950).

Almost surely, 2^{18348541983899} is an apocalyptic number.

18348541983899 is a deficient number, since it is larger than the sum of its proper divisors (1).

18348541983899 is an equidigital number, since it uses as much as digits as its factorization.

18348541983899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2149908480, while the sum is 80.

The spelling of 18348541983899 in words is "eighteen trillion, three hundred forty-eight billion, five hundred forty-one million, nine hundred eighty-three thousand, eight hundred ninety-nine".