9613200221 has 4 divisors (see below), whose sum is σ = 10031165472. Its totient is φ = 9195234972.

The previous prime is 9613200217. The next prime is 9613200253. The reversal of 9613200221 is 1220023169.

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 9613200221 - 2² = 9613200217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613200211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208982591 + ... + 208982636.

It is an arithmetic number, because the mean of its divisors is an integer number (2507791368).

Almost surely, 2^9613200221 is an apocalyptic number.

It is an amenable number.

9613200221 is a deficient number, since it is larger than the sum of its proper divisors (417965251).

9613200221 is a wasteful number, since it uses less digits than its factorization.

9613200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417965250.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 9613200221 is about 98046.9286668379. The cubic root of 9613200221 is about 2126.2908122241.

The spelling of 9613200221 in words is "nine billion, six hundred thirteen million, two hundred thousand, two hundred twenty-one".