18059491883 has 4 divisors (see below), whose sum is σ = 18060127920. Its totient is φ = 18058855848.

The previous prime is 18059491861. The next prime is 18059491991. The reversal of 18059491883 is 38819495081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18059491883 - 2⁶ = 18059491819 is a prime.

It is a super-2 number, since 2×18059491883² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18059191883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273335 + ... + 332912.

It is an arithmetic number, because the mean of its divisors is an integer number (4515031980).

Almost surely, 2^18059491883 is an apocalyptic number.

18059491883 is a deficient number, since it is larger than the sum of its proper divisors (636037).

18059491883 is an equidigital number, since it uses as much as digits as its factorization.

18059491883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636036.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 18059491883 in words is "eighteen billion, fifty-nine million, four hundred ninety-one thousand, eight hundred eighty-three".