5271804072721 has 8 divisors (see below), whose sum is σ = 5501049326784. Its totient is φ = 5042561850480.

The previous prime is 5271804072713. The next prime is 5271804072757. The reversal of 5271804072721 is 1272704081725.

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 5271804072721 - 2³ = 5271804072713 is a prime.

It is a super-3 number, since 3×5271804072721³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5271804072701) 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, 3245211 + ... + 4590751.

It is an arithmetic number, because the mean of its divisors is an integer number (687631165848).

Almost surely, 2^{5271804072721} is an apocalyptic number.

It is an amenable number.

5271804072721 is a deficient number, since it is larger than the sum of its proper divisors (229245254063).

5271804072721 is a wasteful number, since it uses less digits than its factorization.

5271804072721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515911.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 5271804072721 in words is "five trillion, two hundred seventy-one billion, eight hundred four million, seventy-two thousand, seven hundred twenty-one".