9963253685 has 16 divisors (see below), whose sum is σ = 14906063232. Its totient is φ = 6210859200.

The previous prime is 9963253681. The next prime is 9963253691. The reversal of 9963253685 is 5863523699.

It is not a de Polignac number, because 9963253685 - 2² = 9963253681 is a prime.

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 9963253685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9963253681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12938906 + ... + 12939675.

It is an arithmetic number, because the mean of its divisors is an integer number (931628952).

Almost surely, 2^9963253685 is an apocalyptic number.

It is an amenable number.

9963253685 is a deficient number, since it is larger than the sum of its proper divisors (4942809547).

9963253685 is a wasteful number, since it uses less digits than its factorization.

9963253685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25878604.

The product of its digits is 10497600, while the sum is 56.

The square root of 9963253685 is about 99816.0993277137. The cubic root of 9963253685 is about 2151.7925332078.

The spelling of 9963253685 in words is "nine billion, nine hundred sixty-three million, two hundred fifty-three thousand, six hundred eighty-five".