9638958773 has 8 divisors (see below), whose sum is σ = 9740290560. Its totient is φ = 9537667200.

The previous prime is 9638958709. The next prime is 9638958779. The reversal of 9638958773 is 3778598369.

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 9638958773 - 2⁶ = 9638958709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638958779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882218 + ... + 893076.

It is an arithmetic number, because the mean of its divisors is an integer number (1217536320).

Almost surely, 2^9638958773 is an apocalyptic number.

It is an amenable number.

9638958773 is a deficient number, since it is larger than the sum of its proper divisors (101331787).

9638958773 is a wasteful number, since it uses less digits than its factorization.

9638958773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107.

The product of its digits is 68584320, while the sum is 65.

The square root of 9638958773 is about 98178.1990718917. The cubic root of 9638958773 is about 2128.1882492561.

The spelling of 9638958773 in words is "nine billion, six hundred thirty-eight million, nine hundred fifty-eight thousand, seven hundred seventy-three".