9721610488 has 32 divisors (see below), whose sum is σ = 18519903360. Its totient is φ = 4783125600.

The previous prime is 9721610453. The next prime is 9721610539. The reversal of 9721610488 is 8840161279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517663 + ... + 536113.

It is an arithmetic number, because the mean of its divisors is an integer number (578746980).

Almost surely, 2^9721610488 is an apocalyptic number.

It is an amenable number.

9721610488 is a deficient number, since it is larger than the sum of its proper divisors (8798292872).

9721610488 is a wasteful number, since it uses less digits than its factorization.

9721610488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19507 (or 19503 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 9721610488 is about 98598.2276108450. The cubic root of 9721610488 is about 2134.2538431393.

The spelling of 9721610488 in words is "nine billion, seven hundred twenty-one million, six hundred ten thousand, four hundred eighty-eight".