6842274430561 has 4 divisors (see below), whose sum is σ = 6843976916400. Its totient is φ = 6840571944724.

The previous prime is 6842274430499. The next prime is 6842274430571. The reversal of 6842274430561 is 1650344722486.

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 6842274430561 - 2²¹ = 6842272333409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6842274430499 and 6842274430508.

It is not an unprimeable number, because it can be changed into a prime (6842274430571) 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, 851236891 + ... + 851244928.

It is an arithmetic number, because the mean of its divisors is an integer number (1710994229100).

Almost surely, 2^{6842274430561} is an apocalyptic number.

It is an amenable number.

6842274430561 is a deficient number, since it is larger than the sum of its proper divisors (1702485839).

6842274430561 is a wasteful number, since it uses less digits than its factorization.

6842274430561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702485838.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 6842274430561 in words is "six trillion, eight hundred forty-two billion, two hundred seventy-four million, four hundred thirty thousand, five hundred sixty-one".