19479526484 has 48 divisors (see below), whose sum is σ = 39318289920. Its totient is φ = 8351278560.

The previous prime is 19479526463. The next prime is 19479526489. The reversal of 19479526484 is 48462597491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19479526489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138449 + ... + 241095.

It is an arithmetic number, because the mean of its divisors is an integer number (819131040).

Almost surely, 2^19479526484 is an apocalyptic number.

It is an amenable number.

19479526484 is an abundant number, since it is smaller than the sum of its proper divisors (19838763436).

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

19479526484 is a wasteful number, since it uses less digits than its factorization.

19479526484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102908 (or 102906 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 19479526484 in words is "nineteen billion, four hundred seventy-nine million, five hundred twenty-six thousand, four hundred eighty-four".