6770891371 has 2 divisors, whose sum is σ = 6770891372. Its totient is φ = 6770891370.

The previous prime is 6770891353. The next prime is 6770891399. The reversal of 6770891371 is 1731980776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6770891371 - 2⁵ = 6770891339 is a prime.

It is not a weakly prime, because it can be changed into another prime (6770811371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385445685 + 3385445686.

It is an arithmetic number, because the mean of its divisors is an integer number (3385445686).

Almost surely, 2^6770891371 is an apocalyptic number.

6770891371 is a deficient number, since it is larger than the sum of its proper divisors (1).

6770891371 is an equidigital number, since it uses as much as digits as its factorization.

6770891371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 6770891371 is about 82285.4262369710. The cubic root of 6770891371 is about 1891.8293059187.

The spelling of 6770891371 in words is "six billion, seven hundred seventy million, eight hundred ninety-one thousand, three hundred seventy-one".