9450718721 has 8 divisors (see below), whose sum is σ = 9540535488. Its totient is φ = 9361170000.

The previous prime is 9450718709. The next prime is 9450718733. The reversal of 9450718721 is 1278170549.

It is an interprime number because it is at equal distance from previous prime (9450718709) and next prime (9450718733).

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 9450718721 - 2⁶ = 9450718657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9450718021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4196 + ... + 137546.

It is an arithmetic number, because the mean of its divisors is an integer number (1192566936).

Almost surely, 2^9450718721 is an apocalyptic number.

It is an amenable number.

9450718721 is a deficient number, since it is larger than the sum of its proper divisors (89816767).

9450718721 is a wasteful number, since it uses less digits than its factorization.

9450718721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134023.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 9450718721 is about 97214.8071077652. The cubic root of 9450718721 is about 2114.2432165844.

The spelling of 9450718721 in words is "nine billion, four hundred fifty million, seven hundred eighteen thousand, seven hundred twenty-one".