9963963793 has 8 divisors (see below), whose sum is σ = 11986723520. Its totient is φ = 8091038160.

The previous prime is 9963963781. The next prime is 9963963847. The reversal of 9963963793 is 3973693699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9963963793 - 2¹³ = 9963955601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9963963733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37458378 + ... + 37458643.

It is an arithmetic number, because the mean of its divisors is an integer number (1498340440).

Almost surely, 2^9963963793 is an apocalyptic number.

It is an amenable number.

9963963793 is a deficient number, since it is larger than the sum of its proper divisors (2022759727).

9963963793 is a wasteful number, since it uses less digits than its factorization.

9963963793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74917047.

The product of its digits is 44641044, while the sum is 64.

The square root of 9963963793 is about 99819.6563458320. The cubic root of 9963963793 is about 2151.8436533486.

The spelling of 9963963793 in words is "nine billion, nine hundred sixty-three million, nine hundred sixty-three thousand, seven hundred ninety-three".