19875289674 has 8 divisors (see below), whose sum is σ = 39750579360. Its totient is φ = 6625096556.

The previous prime is 19875289673. The next prime is 19875289691. The reversal of 19875289674 is 47698257891.

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

19875289674 is an admirable number.

It is a super-2 number, since 2×19875289674² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19875289673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656274134 + ... + 1656274145.

It is an arithmetic number, because the mean of its divisors is an integer number (4968822420).

Almost surely, 2^19875289674 is an apocalyptic number.

19875289674 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.

19875289674 is a wasteful number, since it uses less digits than its factorization.

19875289674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312548284.

The product of its digits is 60963840, while the sum is 66.

The spelling of 19875289674 in words is "nineteen billion, eight hundred seventy-five million, two hundred eighty-nine thousand, six hundred seventy-four".