4271721725693 has 16 divisors (see below), whose sum is σ = 4620137471040. Its totient is φ = 3936261225600.

The previous prime is 4271721725681. The next prime is 4271721725783. The reversal of 4271721725693 is 3965271271724.

It is a cyclic number.

It is not a de Polignac number, because 4271721725693 - 2⁶ = 4271721725629 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 (4271721725603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8025530 + ... + 8541227.

It is an arithmetic number, because the mean of its divisors is an integer number (288758591940).

Almost surely, 2^{4271721725693} is an apocalyptic number.

It is an amenable number.

4271721725693 is a deficient number, since it is larger than the sum of its proper divisors (348415745347).

4271721725693 is a wasteful number, since it uses less digits than its factorization.

4271721725693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16567148.

The product of its digits is 8890560, while the sum is 56.

The spelling of 4271721725693 in words is "four trillion, two hundred seventy-one billion, seven hundred twenty-one million, seven hundred twenty-five thousand, six hundred ninety-three".