18106013719 has 2 divisors, whose sum is σ = 18106013720. Its totient is φ = 18106013718.

The previous prime is 18106013707. The next prime is 18106013743. The reversal of 18106013719 is 91731060181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18106013719 - 2¹⁹ = 18105489431 is a prime.

It is a super-2 number, since 2×18106013719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18106010719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053006859 + 9053006860.

It is an arithmetic number, because the mean of its divisors is an integer number (9053006860).

Almost surely, 2^18106013719 is an apocalyptic number.

18106013719 is a deficient number, since it is larger than the sum of its proper divisors (1).

18106013719 is an equidigital number, since it uses as much as digits as its factorization.

18106013719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 18106013719 in words is "eighteen billion, one hundred six million, thirteen thousand, seven hundred nineteen".