6767894893 has 2 divisors, whose sum is σ = 6767894894. Its totient is φ = 6767894892.

The previous prime is 6767894891. The next prime is 6767894953. The reversal of 6767894893 is 3984987676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4821496969 + 1946397924 = 69437^2 + 44118^2 .

It is a cyclic number.

It is not a de Polignac number, because 6767894893 - 2¹ = 6767894891 is a prime.

Together with 6767894891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6767894891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383947446 + 3383947447.

It is an arithmetic number, because the mean of its divisors is an integer number (3383947447).

Almost surely, 2^6767894893 is an apocalyptic number.

It is an amenable number.

6767894893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6767894893 is an equidigital number, since it uses as much as digits as its factorization.

6767894893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 67.

The square root of 6767894893 is about 82267.2163926798. The cubic root of 6767894893 is about 1891.5501865216.

The spelling of 6767894893 in words is "six billion, seven hundred sixty-seven million, eight hundred ninety-four thousand, eight hundred ninety-three".