9645145873 has 8 divisors (see below), whose sum is σ = 10884804480. Its totient is φ = 8465958480.

The previous prime is 9645145871. The next prime is 9645145897. The reversal of 9645145873 is 3785415469.

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 9645145873 - 2¹ = 9645145871 is a prime.

It is a super-2 number, since 2×9645145873² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9645145873.

It is not an unprimeable number, because it can be changed into a prime (9645145871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15117465 + ... + 15118102.

It is an arithmetic number, because the mean of its divisors is an integer number (1360600560).

Almost surely, 2^9645145873 is an apocalyptic number.

It is an amenable number.

9645145873 is a deficient number, since it is larger than the sum of its proper divisors (1239658607).

9645145873 is a wasteful number, since it uses less digits than its factorization.

9645145873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30235607.

The product of its digits is 3628800, while the sum is 52.

The square root of 9645145873 is about 98209.7035582533. The cubic root of 9645145873 is about 2128.6435023435.

The spelling of 9645145873 in words is "nine billion, six hundred forty-five million, one hundred forty-five thousand, eight hundred seventy-three".