9945445499 has 8 divisors (see below), whose sum is σ = 10878208320. Its totient is φ = 9017454600.

The previous prime is 9945445493. The next prime is 9945445501.

9945445499 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 9945445499 - 2⁸ = 9945445243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9945445493) 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, 1188617 + ... + 1196954.

It is an arithmetic number, because the mean of its divisors is an integer number (1359776040).

Almost surely, 2^9945445499 is an apocalyptic number.

9945445499 is a deficient number, since it is larger than the sum of its proper divisors (932762821).

9945445499 is a wasteful number, since it uses less digits than its factorization.

9945445499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385961.

The product of its digits is 41990400, while the sum is 62.

The square root of 9945445499 is about 99726.8544525495. The cubic root of 9945445499 is about 2150.5097402510.

The spelling of 9945445499 in words is "nine billion, nine hundred forty-five million, four hundred forty-five thousand, four hundred ninety-nine".