9601936640 has 36 divisors (see below), whose sum is σ = 22999641924. Its totient is φ = 3840774144.

The previous prime is 9601936609. The next prime is 9601936703. The reversal of 9601936640 is 466391069.

It can be written as a sum of positive squares in 2 ways, for example, as 4853072896 + 4748863744 = 69664^2 + 68912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9601936591 and 9601936600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749477 + ... + 3752036.

Almost surely, 2^9601936640 is an apocalyptic number.

It is an amenable number.

9601936640 is an abundant number, since it is smaller than the sum of its proper divisors (13397705284).

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

9601936640 is an equidigital number, since it uses as much as digits as its factorization.

9601936640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501534 (or 7501520 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 9601936640 is about 97989.4720875666. The cubic root of 9601936640 is about 2125.4600445262.

The spelling of 9601936640 in words is "nine billion, six hundred one million, nine hundred thirty-six thousand, six hundred forty".