18239082419 has 8 divisors (see below), whose sum is σ = 18482050560. Its totient is φ = 17996416776.

The previous prime is 18239082413. The next prime is 18239082427. The reversal of 18239082419 is 91428093281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18239082419 - 2⁴ = 18239082403 is a prime.

It is a super-2 number, since 2×18239082419² (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 (18239082413) 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 7 ways as a sum of consecutive naturals, for example, 47084 + ... + 196710.

It is an arithmetic number, because the mean of its divisors is an integer number (2310256320).

Almost surely, 2^18239082419 is an apocalyptic number.

18239082419 is a deficient number, since it is larger than the sum of its proper divisors (242968141).

18239082419 is a wasteful number, since it uses less digits than its factorization.

18239082419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151249.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 18239082419 in words is "eighteen billion, two hundred thirty-nine million, eighty-two thousand, four hundred nineteen".