6770668669 has 2 divisors, whose sum is σ = 6770668670. Its totient is φ = 6770668668.

The previous prime is 6770668661. The next prime is 6770668687. The reversal of 6770668669 is 9668660776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6736305625 + 34363044 = 82075^2 + 5862^2 .

It is a cyclic number.

It is not a de Polignac number, because 6770668669 - 2³ = 6770668661 is a prime.

It is a super-2 number, since 2×6770668669² = 91683908450756463122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6770668661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385334334 + 3385334335.

It is an arithmetic number, because the mean of its divisors is an integer number (3385334335).

Almost surely, 2^6770668669 is an apocalyptic number.

It is an amenable number.

6770668669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6770668669 is an equidigital number, since it uses as much as digits as its factorization.

6770668669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The square root of 6770668669 is about 82284.0729971481. The cubic root of 6770668669 is about 1891.8085642484.

The spelling of 6770668669 in words is "six billion, seven hundred seventy million, six hundred sixty-eight thousand, six hundred sixty-nine".