9960724841 has 4 divisors (see below), whose sum is σ = 9968044884. Its totient is φ = 9953404800.

The previous prime is 9960724811. The next prime is 9960724861. The reversal of 9960724841 is 1484270699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 906250816 + 9054474025 = 30104^2 + 95155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9960724841 is a prime.

It is a super-2 number, since 2×9960724841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9960724841.

It is not an unprimeable number, because it can be changed into a prime (9960724811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3657980 + ... + 3660701.

It is an arithmetic number, because the mean of its divisors is an integer number (2492011221).

Almost surely, 2^9960724841 is an apocalyptic number.

It is an amenable number.

9960724841 is a deficient number, since it is larger than the sum of its proper divisors (7320043).

9960724841 is a wasteful number, since it uses less digits than its factorization.

9960724841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320042.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 9960724841 is about 99803.4310081572. The cubic root of 9960724841 is about 2151.6104639006.

The spelling of 9960724841 in words is "nine billion, nine hundred sixty million, seven hundred twenty-four thousand, eight hundred forty-one".