9663598490 has 64 divisors (see below), whose sum is σ = 22667952384. Its totient is φ = 2878460928.

The previous prime is 9663598463. The next prime is 9663598499. The reversal of 9663598490 is 948953669.

It is not an unprimeable number, because it can be changed into a prime (9663598499) 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, 296864 + ... + 327803.

It is an arithmetic number, because the mean of its divisors is an integer number (354186756).

Almost surely, 2^9663598490 is an apocalyptic number.

9663598490 is an abundant number, since it is smaller than the sum of its proper divisors (13004353894).

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

9663598490 is a wasteful number, since it uses less digits than its factorization.

9663598490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624711.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The square root of 9663598490 is about 98303.6036470688. The cubic root of 9663598490 is about 2130.0001094727. Note that the first 3 decimals are identical.

The spelling of 9663598490 in words is "nine billion, six hundred sixty-three million, five hundred ninety-eight thousand, four hundred ninety".