9719663000 has 64 divisors (see below), whose sum is σ = 22760244000. Its totient is φ = 3885091200.

The previous prime is 9719662993. The next prime is 9719663003. The reversal of 9719663000 is 3669179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9719663003) 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, 1946507 + ... + 1951493.

Almost surely, 2^9719663000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9719663000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11380122000).

9719663000 is an abundant number, since it is smaller than the sum of its proper divisors (13040581000).

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

9719663000 is a wasteful number, since it uses less digits than its factorization.

9719663000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9719663000 is about 98588.3512388761. The cubic root of 9719663000 is about 2134.1113183546. Note that the first 3 decimals are identical.

The spelling of 9719663000 in words is "nine billion, seven hundred nineteen million, six hundred sixty-three thousand".