9455668729 has 8 divisors (see below), whose sum is σ = 10236344832. Its totient is φ = 8682609360.

The previous prime is 9455668721. The next prime is 9455668769. The reversal of 9455668729 is 9278665549.

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 9455668729 - 2³ = 9455668721 is a prime.

It is a super-2 number, since 2×9455668729² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9455668721) 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, 1901599 + ... + 1906564.

It is an arithmetic number, because the mean of its divisors is an integer number (1279543104).

Almost surely, 2^9455668729 is an apocalyptic number.

It is an amenable number.

9455668729 is a deficient number, since it is larger than the sum of its proper divisors (780676103).

9455668729 is a wasteful number, since it uses less digits than its factorization.

9455668729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808367.

The product of its digits is 32659200, while the sum is 61.

The square root of 9455668729 is about 97240.2629007141. The cubic root of 9455668729 is about 2114.6122782576.

The spelling of 9455668729 in words is "nine billion, four hundred fifty-five million, six hundred sixty-eight thousand, seven hundred twenty-nine".