18716875043 has 2 divisors, whose sum is σ = 18716875044. Its totient is φ = 18716875042.

The previous prime is 18716874997. The next prime is 18716875049. The reversal of 18716875043 is 34057861781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18716875043 - 2¹⁰ = 18716874019 is a prime.

It is a super-3 number, since 3×18716875043³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 18716874982 and 18716875000.

It is not a weakly prime, because it can be changed into another prime (18716875049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9358437521 + 9358437522.

It is an arithmetic number, because the mean of its divisors is an integer number (9358437522).

Almost surely, 2^18716875043 is an apocalyptic number.

18716875043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18716875043 is an equidigital number, since it uses as much as digits as its factorization.

18716875043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 18716875043 in words is "eighteen billion, seven hundred sixteen million, eight hundred seventy-five thousand, forty-three".