19439144058 has 8 divisors (see below), whose sum is σ = 38878288128. Its totient is φ = 6479714684.

The previous prime is 19439144047. The next prime is 19439144083. The reversal of 19439144058 is 85044193491.

It is a happy number.

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

19439144058 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19439143998 and 19439144016.

It is an unprimeable number.

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, 1619928666 + ... + 1619928677.

It is an arithmetic number, because the mean of its divisors is an integer number (4859786016).

Almost surely, 2^19439144058 is an apocalyptic number.

19439144058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19439144058 is a wasteful number, since it uses less digits than its factorization.

19439144058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239857348.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 19439144058 in words is "nineteen billion, four hundred thirty-nine million, one hundred forty-four thousand, fifty-eight".