727366214561 has 4 divisors (see below), whose sum is σ = 831275673792. Its totient is φ = 623456755332.

The previous prime is 727366214557. The next prime is 727366214563. The reversal of 727366214561 is 165412663727.

727366214561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 727366214561 - 2² = 727366214557 is a prime.

It is a super-2 number, since 2×727366214561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727366214563) 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, 51954729605 + ... + 51954729618.

It is an arithmetic number, because the mean of its divisors is an integer number (207818918448).

Almost surely, 2^727366214561 is an apocalyptic number.

It is an amenable number.

727366214561 is a deficient number, since it is larger than the sum of its proper divisors (103909459231).

727366214561 is a wasteful number, since it uses less digits than its factorization.

727366214561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103909459230.

The product of its digits is 2540160, while the sum is 50.

The spelling of 727366214561 in words is "seven hundred twenty-seven billion, three hundred sixty-six million, two hundred fourteen thousand, five hundred sixty-one".