6775534813 has 2 divisors, whose sum is σ = 6775534814. Its totient is φ = 6775534812.

The previous prime is 6775534781. The next prime is 6775534837. The reversal of 6775534813 is 3184355776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6507164889 + 268369924 = 80667^2 + 16382^2 .

It is a cyclic number.

It is not a de Polignac number, because 6775534813 - 2⁵ = 6775534781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6775534853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387767406 + 3387767407.

It is an arithmetic number, because the mean of its divisors is an integer number (3387767407).

Almost surely, 2^6775534813 is an apocalyptic number.

It is an amenable number.

6775534813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775534813 is an equidigital number, since it uses as much as digits as its factorization.

6775534813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 49.

The square root of 6775534813 is about 82313.6368592714. The cubic root of 6775534813 is about 1892.2616759861.

The spelling of 6775534813 in words is "six billion, seven hundred seventy-five million, five hundred thirty-four thousand, eight hundred thirteen".