6842763841 has 3 divisors (see below), whose sum is σ = 6842846563. Its totient is φ = 6842681120.

The previous prime is 6842763791. The next prime is 6842763871. The reversal of 6842763841 is 1483672486.

The square root of 6842763841 is 82721.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 993573441 + 5849190400 = 31521^2 + 76480^2 .

It is not a de Polignac number, because 6842763841 - 2⁷ = 6842763713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6842763871) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 41361 + ... + 124081.

Almost surely, 2^6842763841 is an apocalyptic number.

6842763841 is the 82721-st square number.

6842763841 is the 41361-st centered octagonal number.

It is an amenable number.

6842763841 is a deficient number, since it is larger than the sum of its proper divisors (82722).

6842763841 is an frugal number, since it uses more digits than its factorization.

6842763841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165442 (or 82721 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The cubic root of 6842763841 is about 1898.4996318635.

Multiplying 6842763841 by its sum of digits (49), we get a square (335295428209 = 579047²).

The spelling of 6842763841 in words is "six billion, eight hundred forty-two million, seven hundred sixty-three thousand, eight hundred forty-one".