9609413221 has 4 divisors (see below), whose sum is σ = 9609842592. Its totient is φ = 9608983852.

The previous prime is 9609413213. The next prime is 9609413239. The reversal of 9609413221 is 1223149069.

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 9609413221 - 2³ = 9609413213 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 (9609413921) 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, 179155 + ... + 226528.

It is an arithmetic number, because the mean of its divisors is an integer number (2402460648).

Almost surely, 2^9609413221 is an apocalyptic number.

It is an amenable number.

9609413221 is a deficient number, since it is larger than the sum of its proper divisors (429371).

9609413221 is a wasteful number, since it uses less digits than its factorization.

9609413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429370.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 9609413221 is about 98027.6145838508. The cubic root of 9609413221 is about 2126.0115669948.

The spelling of 9609413221 in words is "nine billion, six hundred nine million, four hundred thirteen thousand, two hundred twenty-one".