6776260913 has 2 divisors, whose sum is σ = 6776260914. Its totient is φ = 6776260912.

The previous prime is 6776260853. The next prime is 6776260949. The reversal of 6776260913 is 3190626776.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4845273664 + 1930987249 = 69608^2 + 43943^2 .

It is a cyclic number.

It is not a de Polignac number, because 6776260913 - 2⁶ = 6776260849 is a prime.

It is a super-2 number, since 2×6776260913² = 91835423922103187138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6776263913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388130456 + 3388130457.

It is an arithmetic number, because the mean of its divisors is an integer number (3388130457).

Almost surely, 2^6776260913 is an apocalyptic number.

It is an amenable number.

6776260913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6776260913 is an equidigital number, since it uses as much as digits as its factorization.

6776260913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 6776260913 is about 82318.0473104167. The cubic root of 6776260913 is about 1892.3292682950.

The spelling of 6776260913 in words is "six billion, seven hundred seventy-six million, two hundred sixty thousand, nine hundred thirteen".