9349607721 has 8 divisors (see below), whose sum is σ = 12467227104. Its totient is φ = 6232530080.

The previous prime is 9349607699. The next prime is 9349607741. The reversal of 9349607721 is 1277069439.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9349607721 - 2⁹ = 9349607209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9349607741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93291 + ... + 165536.

It is an arithmetic number, because the mean of its divisors is an integer number (1558403388).

Almost surely, 2^9349607721 is an apocalyptic number.

It is an amenable number.

9349607721 is a deficient number, since it is larger than the sum of its proper divisors (3117619383).

9349607721 is a wasteful number, since it uses less digits than its factorization.

9349607721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270871.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 9349607721 is about 96693.3695813731. The cubic root of 9349607721 is about 2106.6762372577.

The spelling of 9349607721 in words is "nine billion, three hundred forty-nine million, six hundred seven thousand, seven hundred twenty-one".