1685714071 has 2 divisors, whose sum is σ = 1685714072. Its totient is φ = 1685714070.

The previous prime is 1685714039. The next prime is 1685714081. The reversal of 1685714071 is 1704175861.

It is a strong prime.

It is an emirp because it is prime and its reverse (1704175861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1685714071 - 2⁵ = 1685714039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1685714081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842857035 + 842857036.

It is an arithmetic number, because the mean of its divisors is an integer number (842857036).

Almost surely, 2^1685714071 is an apocalyptic number.

1685714071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1685714071 is an equidigital number, since it uses as much as digits as its factorization.

1685714071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 1685714071 is about 41057.4484229110. The cubic root of 1685714071 is about 1190.1306428610.

The spelling of 1685714071 in words is "one billion, six hundred eighty-five million, seven hundred fourteen thousand, seventy-one".