1696272647 has 2 divisors, whose sum is σ = 1696272648. Its totient is φ = 1696272646.

The previous prime is 1696272593. The next prime is 1696272649. The reversal of 1696272647 is 7462726961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1696272647 - 2⁶ = 1696272583 is a prime.

Together with 1696272649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1696272595 and 1696272604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1696272649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848136323 + 848136324.

It is an arithmetic number, because the mean of its divisors is an integer number (848136324).

Almost surely, 2^1696272647 is an apocalyptic number.

1696272647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696272647 is an equidigital number, since it uses as much as digits as its factorization.

1696272647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 1696272647 is about 41185.8306581280. The cubic root of 1696272647 is about 1192.6102922512.

The spelling of 1696272647 in words is "one billion, six hundred ninety-six million, two hundred seventy-two thousand, six hundred forty-seven".