9963081769 has 4 divisors (see below), whose sum is σ = 9986198400. Its totient is φ = 9939965140.

The previous prime is 9963081731. The next prime is 9963081773. The reversal of 9963081769 is 9671803699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9963081769 - 2⁹ = 9963081257 is a prime.

It is a super-2 number, since 2×9963081769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9963081719) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11557669 + ... + 11558530.

It is an arithmetic number, because the mean of its divisors is an integer number (2496549600).

Almost surely, 2^9963081769 is an apocalyptic number.

It is an amenable number.

9963081769 is a deficient number, since it is larger than the sum of its proper divisors (23116631).

9963081769 is a wasteful number, since it uses less digits than its factorization.

9963081769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23116630.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 9963081769 is about 99815.2381603130. The cubic root of 9963081769 is about 2151.7801567391.

The spelling of 9963081769 in words is "nine billion, nine hundred sixty-three million, eighty-one thousand, seven hundred sixty-nine".