6771391239741 has 4 divisors (see below), whose sum is σ = 9028521652992. Its totient is φ = 4514260826492.

The previous prime is 6771391239737. The next prime is 6771391239793. The reversal of 6771391239741 is 1479321931776.

It is a happy number.

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 6771391239741 - 2² = 6771391239737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771391239341) 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, 1128565206621 + ... + 1128565206626.

It is an arithmetic number, because the mean of its divisors is an integer number (2257130413248).

Almost surely, 2^{6771391239741} is an apocalyptic number.

It is an amenable number.

6771391239741 is a deficient number, since it is larger than the sum of its proper divisors (2257130413251).

6771391239741 is a wasteful number, since it uses less digits than its factorization.

6771391239741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257130413250.

The product of its digits is 12002256, while the sum is 60.

The spelling of 6771391239741 in words is "six trillion, seven hundred seventy-one billion, three hundred ninety-one million, two hundred thirty-nine thousand, seven hundred forty-one".