9945066013 has 8 divisors (see below), whose sum is σ = 10611896000. Its totient is φ = 9292576608.

The previous prime is 9945065989. The next prime is 9945066029. The reversal of 9945066013 is 3106605499.

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 9945066013 - 2⁵ = 9945065981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945066083) 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, 3583713 + ... + 3586486.

It is an arithmetic number, because the mean of its divisors is an integer number (1326487000).

Almost surely, 2^9945066013 is an apocalyptic number.

It is an amenable number.

9945066013 is a deficient number, since it is larger than the sum of its proper divisors (666829987).

9945066013 is a wasteful number, since it uses less digits than its factorization.

9945066013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170291.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 9945066013 is about 99724.9518074589. The cubic root of 9945066013 is about 2150.4823877401.

The spelling of 9945066013 in words is "nine billion, nine hundred forty-five million, sixty-six thousand, thirteen".