19477354228 has 24 divisors (see below), whose sum is σ = 34160071680. Its totient is φ = 9717360480.

The previous prime is 19477354213. The next prime is 19477354241. The reversal of 19477354228 is 82245377491.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4240213 + ... + 4244803.

It is an arithmetic number, because the mean of its divisors is an integer number (1423336320).

Almost surely, 2^19477354228 is an apocalyptic number.

It is an amenable number.

19477354228 is a deficient number, since it is larger than the sum of its proper divisors (14682717452).

19477354228 is a wasteful number, since it uses less digits than its factorization.

19477354228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687 (or 6685 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

It can be divided in two parts, 194773 and 54228, that added together give a square (249001 = 499²).

The spelling of 19477354228 in words is "nineteen billion, four hundred seventy-seven million, three hundred fifty-four thousand, two hundred twenty-eight".