9721662350 has 12 divisors (see below), whose sum is σ = 18082292064. Its totient is φ = 3888664920.

The previous prime is 9721662289. The next prime is 9721662371. The reversal of 9721662350 is 532661279.

9721662350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9721662298 and 9721662307.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 97216574 + ... + 97216673.

It is an arithmetic number, because the mean of its divisors is an integer number (1506857672).

Almost surely, 2^9721662350 is an apocalyptic number.

9721662350 is a deficient number, since it is larger than the sum of its proper divisors (8360629714).

9721662350 is a wasteful number, since it uses less digits than its factorization.

9721662350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194433259 (or 194433254 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 9721662350 is about 98598.4906071082. The cubic root of 9721662350 is about 2134.2576383430.

The spelling of 9721662350 in words is "nine billion, seven hundred twenty-one million, six hundred sixty-two thousand, three hundred fifty".