9631722241 has 4 divisors (see below), whose sum is σ = 9644686272. Its totient is φ = 9618758212.

The previous prime is 9631722239. The next prime is 9631722257. The reversal of 9631722241 is 1422271369.

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 9631722241 - 2¹ = 9631722239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9631722241.

It is not an unprimeable number, because it can be changed into a prime (9631722281) 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, 6480901 + ... + 6482386.

It is an arithmetic number, because the mean of its divisors is an integer number (2411171568).

Almost surely, 2^9631722241 is an apocalyptic number.

It is an amenable number.

9631722241 is a deficient number, since it is larger than the sum of its proper divisors (12964031).

9631722241 is a wasteful number, since it uses less digits than its factorization.

9631722241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964030.

The product of its digits is 36288, while the sum is 37.

The square root of 9631722241 is about 98141.3380844178. The cubic root of 9631722241 is about 2127.6555306500.

The spelling of 9631722241 in words is "nine billion, six hundred thirty-one million, seven hundred twenty-two thousand, two hundred forty-one".