19793225472 has 72 divisors (see below), whose sum is σ = 52889235840. Its totient is φ = 6571392000.

The previous prime is 19793225407. The next prime is 19793225503. The reversal of 19793225472 is 27452239791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141429 + ... + 244107.

It is an arithmetic number, because the mean of its divisors is an integer number (734572720).

Almost surely, 2^19793225472 is an apocalyptic number.

19793225472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19793225472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26444617920).

19793225472 is an abundant number, since it is smaller than the sum of its proper divisors (33096010368).

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

19793225472 is a wasteful number, since it uses less digits than its factorization.

19793225472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102949 (or 102935 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 19793225472 in words is "nineteen billion, seven hundred ninety-three million, two hundred twenty-five thousand, four hundred seventy-two".