6764871769 has 2 divisors, whose sum is σ = 6764871770. Its totient is φ = 6764871768.

The previous prime is 6764871733. The next prime is 6764871781. The reversal of 6764871769 is 9671784676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3842388169 + 2922483600 = 61987^2 + 54060^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764871769 - 2¹³ = 6764863577 is a prime.

It is a super-2 number, since 2×6764871769² = 91526980102026378722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6764271769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382435884 + 3382435885.

It is an arithmetic number, because the mean of its divisors is an integer number (3382435885).

Almost surely, 2^6764871769 is an apocalyptic number.

It is an amenable number.

6764871769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6764871769 is an equidigital number, since it uses as much as digits as its factorization.

6764871769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 61.

The square root of 6764871769 is about 82248.8405328610. The cubic root of 6764871769 is about 1891.2685015708.

The spelling of 6764871769 in words is "six billion, seven hundred sixty-four million, eight hundred seventy-one thousand, seven hundred sixty-nine".