6927439967636 has 6 divisors (see below), whose sum is σ = 12123019943370. Its totient is φ = 3463719983816.

The previous prime is 6927439967603. The next prime is 6927439967647. The reversal of 6927439967636 is 6367699347296.

It can be written as a sum of positive squares in only one way, i.e., 4161518400400 + 2765921567236 = 2039980^2 + 1663106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865929995951 + ... + 865929995958.

It is an arithmetic number, because the mean of its divisors is an integer number (2020503323895).

Almost surely, 2^{6927439967636} is an apocalyptic number.

It is an amenable number.

6927439967636 is a deficient number, since it is larger than the sum of its proper divisors (5195579975734).

6927439967636 is a wasteful number, since it uses less digits than its factorization.

6927439967636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731859991913 (or 1731859991911 counting only the distinct ones).

The product of its digits is 3333197952, while the sum is 77.

The spelling of 6927439967636 in words is "six trillion, nine hundred twenty-seven billion, four hundred thirty-nine million, nine hundred sixty-seven thousand, six hundred thirty-six".