6770895821 has 2 divisors, whose sum is σ = 6770895822. Its totient is φ = 6770895820.

The previous prime is 6770895797. The next prime is 6770895829. The reversal of 6770895821 is 1285980776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6731382025 + 39513796 = 82045^2 + 6286^2 .

It is a cyclic number.

It is not a de Polignac number, because 6770895821 - 2¹⁰ = 6770894797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6770895829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385447910 + 3385447911.

It is an arithmetic number, because the mean of its divisors is an integer number (3385447911).

Almost surely, 2^6770895821 is an apocalyptic number.

It is an amenable number.

6770895821 is a deficient number, since it is larger than the sum of its proper divisors (1).

6770895821 is an equidigital number, since it uses as much as digits as its factorization.

6770895821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 6770895821 is about 82285.4532769918. The cubic root of 6770895821 is about 1891.8297203712.

The spelling of 6770895821 in words is "six billion, seven hundred seventy million, eight hundred ninety-five thousand, eight hundred twenty-one".