9663740497488 has 160 divisors (see below), whose sum is σ = 31147659850752. Its totient is φ = 2508216883200.

The previous prime is 9663740497487. The next prime is 9663740497513. The reversal of 9663740497488 is 8847940473669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663740497483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4069695 + ... + 5990817.

Almost surely, 2^{9663740497488} 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 9663740497488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15573829925376).

9663740497488 is an abundant number, since it is smaller than the sum of its proper divisors (21483919353264).

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

9663740497488 is a wasteful number, since it uses less digits than its factorization.

9663740497488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922513 (or 1922507 counting only the distinct ones).

The product of its (nonzero) digits is 1755758592, while the sum is 75.

The spelling of 9663740497488 in words is "nine trillion, six hundred sixty-three billion, seven hundred forty million, four hundred ninety-seven thousand, four hundred eighty-eight".