6727021740613 has 4 divisors (see below), whose sum is σ = 6735724227468. Its totient is φ = 6718319253760.

The previous prime is 6727021740611. The next prime is 6727021740629. The reversal of 6727021740613 is 3160471207276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3902612103009 + 2824409637604 = 1975503^2 + 1680598^2 .

It is a cyclic number.

It is not a de Polignac number, because 6727021740613 - 2¹ = 6727021740611 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 (6727021740611) 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, 4351242268 + ... + 4351243813.

It is an arithmetic number, because the mean of its divisors is an integer number (1683931056867).

Almost surely, 2^{6727021740613} is an apocalyptic number.

It is an amenable number.

6727021740613 is a deficient number, since it is larger than the sum of its proper divisors (8702486855).

6727021740613 is an equidigital number, since it uses as much as digits as its factorization.

6727021740613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702486854.

The product of its (nonzero) digits is 592704, while the sum is 46.

Adding to 6727021740613 its reverse (3160471207276), we get a palindrome (9887492947889).

The spelling of 6727021740613 in words is "six trillion, seven hundred twenty-seven billion, twenty-one million, seven hundred forty thousand, six hundred thirteen".