9773366521 has 8 divisors (see below), whose sum is σ = 10350249984. Its totient is φ = 9196703040.

The previous prime is 9773366501. The next prime is 9773366539. The reversal of 9773366521 is 1256633779.

9773366521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9773366521 - 2¹⁷ = 9773235449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9773366501) 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, 41316 + ... + 145786.

It is an arithmetic number, because the mean of its divisors is an integer number (1293781248).

Almost surely, 2^9773366521 is an apocalyptic number.

It is an amenable number.

9773366521 is a deficient number, since it is larger than the sum of its proper divisors (576883463).

9773366521 is a wasteful number, since it uses less digits than its factorization.

9773366521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109991.

The product of its digits is 1428840, while the sum is 49.

The square root of 9773366521 is about 98860.3384629043. The cubic root of 9773366521 is about 2138.0345975903.

The spelling of 9773366521 in words is "nine billion, seven hundred seventy-three million, three hundred sixty-six thousand, five hundred twenty-one".