18483840619 has 4 divisors (see below), whose sum is σ = 18484408096. Its totient is φ = 18483273144.

The previous prime is 18483840601. The next prime is 18483840629. The reversal of 18483840619 is 91604838481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91604838481 = 13 ⋅7046526037.

It is a cyclic number.

It is not a de Polignac number, because 18483840619 - 2²⁷ = 18349622891 is a prime.

It is a super-2 number, since 2×18483840619² (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 (18483840629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231699 + ... + 301084.

It is an arithmetic number, because the mean of its divisors is an integer number (4621102024).

Almost surely, 2^18483840619 is an apocalyptic number.

18483840619 is a deficient number, since it is larger than the sum of its proper divisors (567477).

18483840619 is an equidigital number, since it uses as much as digits as its factorization.

18483840619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567476.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 18483840619 in words is "eighteen billion, four hundred eighty-three million, eight hundred forty thousand, six hundred nineteen".