5945835721 has 8 divisors (see below), whose sum is σ = 6939820800. Its totient is φ = 4987995648.

The previous prime is 5945835719. The next prime is 5945835733. The reversal of 5945835721 is 1275385495.

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 5945835721 - 2¹ = 5945835719 is a prime.

It is a super-2 number, since 2×5945835721² = 70705924842239179682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5945835781) 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, 9035896 + ... + 9036553.

It is an arithmetic number, because the mean of its divisors is an integer number (867477600).

Almost surely, 2^5945835721 is an apocalyptic number.

It is an amenable number.

5945835721 is a deficient number, since it is larger than the sum of its proper divisors (993985079).

5945835721 is a wasteful number, since it uses less digits than its factorization.

5945835721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072503.

The product of its digits is 1512000, while the sum is 49.

The square root of 5945835721 is about 77109.2453665577. The cubic root of 5945835721 is about 1811.6361101401.

The spelling of 5945835721 in words is "five billion, nine hundred forty-five million, eight hundred thirty-five thousand, seven hundred twenty-one".