18496159943 has 2 divisors, whose sum is σ = 18496159944. Its totient is φ = 18496159942.

The previous prime is 18496159933. The next prime is 18496160027. The reversal of 18496159943 is 34995169481.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18496159943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18496159933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9248079971 + 9248079972.

It is an arithmetic number, because the mean of its divisors is an integer number (9248079972).

Almost surely, 2^18496159943 is an apocalyptic number.

18496159943 is a deficient number, since it is larger than the sum of its proper divisors (1).

18496159943 is an equidigital number, since it uses as much as digits as its factorization.

18496159943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 59.

The spelling of 18496159943 in words is "eighteen billion, four hundred ninety-six million, one hundred fifty-nine thousand, nine hundred forty-three".