19703419272 has 96 divisors (see below), whose sum is σ = 53874849600. Its totient is φ = 6505162368.

The previous prime is 19703419217. The next prime is 19703419303. The reversal of 19703419272 is 27291430791.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3386638 + ... + 3392450.

It is an arithmetic number, because the mean of its divisors is an integer number (561196350).

Almost surely, 2^19703419272 is an apocalyptic number.

19703419272 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 19703419272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26937424800).

19703419272 is an abundant number, since it is smaller than the sum of its proper divisors (34171430328).

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

19703419272 is a wasteful number, since it uses less digits than its factorization.

19703419272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267 (or 6260 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 19703419272 in words is "nineteen billion, seven hundred three million, four hundred nineteen thousand, two hundred seventy-two".