18586011019 has 2 divisors, whose sum is σ = 18586011020. Its totient is φ = 18586011018.

The previous prime is 18586010939. The next prime is 18586011023. The reversal of 18586011019 is 91011068581.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18586011019 is a prime.

It is a super-2 number, since 2×18586011019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18586011049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9293005509 + 9293005510.

It is an arithmetic number, because the mean of its divisors is an integer number (9293005510).

Almost surely, 2^18586011019 is an apocalyptic number.

18586011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

18586011019 is an equidigital number, since it uses as much as digits as its factorization.

18586011019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 40.

The spelling of 18586011019 in words is "eighteen billion, five hundred eighty-six million, eleven thousand, nineteen".