6747540135839 has 4 divisors (see below), whose sum is σ = 6747552742824. Its totient is φ = 6747527528856.

The previous prime is 6747540135793. The next prime is 6747540135907. The reversal of 6747540135839 is 9385310457476.

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

It is a cyclic number.

It is not a de Polignac number, because 6747540135839 - 2⁴⁰ = 5648028508063 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 (6747540135439) 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, 5463332 + ... + 6583545.

It is an arithmetic number, because the mean of its divisors is an integer number (1686888185706).

Almost surely, 2^{6747540135839} is an apocalyptic number.

6747540135839 is a deficient number, since it is larger than the sum of its proper divisors (12606985).

6747540135839 is a wasteful number, since it uses less digits than its factorization.

6747540135839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606984.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 6747540135839 in words is "six trillion, seven hundred forty-seven billion, five hundred forty million, one hundred thirty-five thousand, eight hundred thirty-nine".