13219940484 has 27 divisors (see below), whose sum is σ = 33418815703. Its totient is φ = 4406416872.

The previous prime is 13219940471. The next prime is 13219940527. The reversal of 13219940484 is 48404991231.

The square root of 13219940484 is 114978.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 680287 + ... + 699449.

Almost surely, 2^13219940484 is an apocalyptic number.

13219940484 is the 114978-th square number.

It is an amenable number.

13219940484 is an abundant number, since it is smaller than the sum of its proper divisors (20198875219).

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

13219940484 is an frugal number, since it uses more digits than its factorization.

13219940484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38336 (or 19168 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13219940484 in words is "thirteen billion, two hundred nineteen million, nine hundred forty thousand, four hundred eighty-four".