5727901307721 has 4 divisors (see below), whose sum is σ = 7637201743632. Its totient is φ = 3818600871812.

The previous prime is 5727901307699. The next prime is 5727901307749. The reversal of 5727901307721 is 1277031097275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5727901307721 - 2⁷ = 5727901307593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5727901377721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954650217951 + ... + 954650217956.

It is an arithmetic number, because the mean of its divisors is an integer number (1909300435908).

Almost surely, 2^{5727901307721} is an apocalyptic number.

It is an amenable number.

5727901307721 is a deficient number, since it is larger than the sum of its proper divisors (1909300435911).

5727901307721 is a wasteful number, since it uses less digits than its factorization.

5727901307721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909300435910.

The product of its (nonzero) digits is 1296540, while the sum is 51.

The spelling of 5727901307721 in words is "five trillion, seven hundred twenty-seven billion, nine hundred one million, three hundred seven thousand, seven hundred twenty-one".