18058433819 has 2 divisors, whose sum is σ = 18058433820. Its totient is φ = 18058433818.

The previous prime is 18058433797. The next prime is 18058433843. The reversal of 18058433819 is 91833485081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18058433819 - 2¹⁶ = 18058368283 is a prime.

It is a super-2 number, since 2×18058433819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18058433849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029216909 + 9029216910.

It is an arithmetic number, because the mean of its divisors is an integer number (9029216910).

Almost surely, 2^18058433819 is an apocalyptic number.

18058433819 is a deficient number, since it is larger than the sum of its proper divisors (1).

18058433819 is an equidigital number, since it uses as much as digits as its factorization.

18058433819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 18058433819 in words is "eighteen billion, fifty-eight million, four hundred thirty-three thousand, eight hundred nineteen".