19869893034 has 8 divisors (see below), whose sum is σ = 39739786080. Its totient is φ = 6623297676.

The previous prime is 19869893023. The next prime is 19869893041. The reversal of 19869893034 is 43039896891.

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

19869893034 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655824414 + ... + 1655824425.

It is an arithmetic number, because the mean of its divisors is an integer number (4967473260).

Almost surely, 2^19869893034 is an apocalyptic number.

19869893034 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.

19869893034 is a wasteful number, since it uses less digits than its factorization.

19869893034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311648844.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 19869893034 in words is "nineteen billion, eight hundred sixty-nine million, eight hundred ninety-three thousand, thirty-four".