19622673852 has 48 divisors (see below), whose sum is σ = 48547914240. Its totient is φ = 6151393152.

The previous prime is 19622673821. The next prime is 19622673877. The reversal of 19622673852 is 25837622691.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19622673795 and 19622673804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282868 + ... + 345339.

It is an arithmetic number, because the mean of its divisors is an integer number (1011414880).

Almost surely, 2^19622673852 is an apocalyptic number.

19622673852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19622673852 is an abundant number, since it is smaller than the sum of its proper divisors (28925240388).

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

19622673852 is a wasteful number, since it uses less digits than its factorization.

19622673852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628370 (or 628368 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 19622673852 in words is "nineteen billion, six hundred twenty-two million, six hundred seventy-three thousand, eight hundred fifty-two".