9909627361 has 4 divisors (see below), whose sum is σ = 9909826992. Its totient is φ = 9909427732.

The previous prime is 9909627341. The next prime is 9909627367. The reversal of 9909627361 is 1637269099.

9909627361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9909627361 - 2¹⁹ = 9909103073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9909627299 and 9909627308.

It is not an unprimeable number, because it can be changed into a prime (9909627367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38946 + ... + 146068.

It is an arithmetic number, because the mean of its divisors is an integer number (2477456748).

Almost surely, 2^9909627361 is an apocalyptic number.

It is an amenable number.

9909627361 is a deficient number, since it is larger than the sum of its proper divisors (199631).

9909627361 is a wasteful number, since it uses less digits than its factorization.

9909627361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199630.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 9909627361 is about 99547.1112639639. Note that the first 3 decimals coincide. The cubic root of 9909627361 is about 2147.9249755181.

The spelling of 9909627361 in words is "nine billion, nine hundred nine million, six hundred twenty-seven thousand, three hundred sixty-one".