19047696660 has 144 divisors (see below), whose sum is σ = 58734713856. Its totient is φ = 4995530496.

The previous prime is 19047696641. The next prime is 19047696677. The reversal of 19047696660 is 6669674091.

It is a junction number, because it is equal to n+sod(n) for n = 19047696597 and 19047696606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13108494 + ... + 13109946.

Almost surely, 2^19047696660 is an apocalyptic number.

19047696660 is a gapful number since it is divisible by the number (10) 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 19047696660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29367356928).

19047696660 is an abundant number, since it is smaller than the sum of its proper divisors (39687017196).

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

19047696660 is a wasteful number, since it uses less digits than its factorization.

19047696660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 19047696660 in words is "nineteen billion, forty-seven million, six hundred ninety-six thousand, six hundred sixty".