6822457457 has 2 divisors, whose sum is σ = 6822457458. Its totient is φ = 6822457456.

The previous prime is 6822457381. The next prime is 6822457519. The reversal of 6822457457 is 7547542286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6815493136 + 6964321 = 82556^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 6822457457 - 2¹⁸ = 6822195313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6822451457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411228728 + 3411228729.

It is an arithmetic number, because the mean of its divisors is an integer number (3411228729).

Almost surely, 2^6822457457 is an apocalyptic number.

It is an amenable number.

6822457457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6822457457 is an equidigital number, since it uses as much as digits as its factorization.

6822457457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 50.

The square root of 6822457457 is about 82598.1686056053. The cubic root of 6822457457 is about 1896.6197939614.

The spelling of 6822457457 in words is "six billion, eight hundred twenty-two million, four hundred fifty-seven thousand, four hundred fifty-seven".