9634130221 has 16 divisors (see below), whose sum is σ = 10245058560. Its totient is φ = 9040014720.

The previous prime is 9634130201. The next prime is 9634130227. The reversal of 9634130221 is 1220314369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9634130221 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 (9634130227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528385 + ... + 546313.

It is an arithmetic number, because the mean of its divisors is an integer number (640316160).

Almost surely, 2^9634130221 is an apocalyptic number.

It is an amenable number.

9634130221 is a deficient number, since it is larger than the sum of its proper divisors (610928339).

9634130221 is a wasteful number, since it uses less digits than its factorization.

9634130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 9634130221 is about 98153.6052368939. The cubic root of 9634130221 is about 2127.8328241440.

The spelling of 9634130221 in words is "nine billion, six hundred thirty-four million, one hundred thirty thousand, two hundred twenty-one".