19868599334 has 8 divisors (see below), whose sum is σ = 29936544960. Its totient is φ = 9889751016.

The previous prime is 19868599297. The next prime is 19868599343. The reversal of 19868599334 is 43399586891.

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

It is a super-2 number, since 2×19868599334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22273769 + ... + 22274660.

It is an arithmetic number, because the mean of its divisors is an integer number (3742068120).

Almost surely, 2^19868599334 is an apocalyptic number.

19868599334 is a deficient number, since it is larger than the sum of its proper divisors (10067945626).

19868599334 is a wasteful number, since it uses less digits than its factorization.

19868599334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44548654.

The product of its digits is 50388480, while the sum is 65.

The spelling of 19868599334 in words is "nineteen billion, eight hundred sixty-eight million, five hundred ninety-nine thousand, three hundred thirty-four".