18479000159 has 2 divisors, whose sum is σ = 18479000160. Its totient is φ = 18479000158.

The previous prime is 18479000143. The next prime is 18479000167. The reversal of 18479000159 is 95100097481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18479000159 - 2⁴ = 18479000143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18479000179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9239500079 + 9239500080.

It is an arithmetic number, because the mean of its divisors is an integer number (9239500080).

Almost surely, 2^18479000159 is an apocalyptic number.

18479000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

18479000159 is an equidigital number, since it uses as much as digits as its factorization.

18479000159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 18479000159 in words is "eighteen billion, four hundred seventy-nine million, one hundred fifty-nine", and thus it is an aban number.