2006711647 has 2 divisors, whose sum is σ = 2006711648. Its totient is φ = 2006711646.

The previous prime is 2006711591. The next prime is 2006711669. The reversal of 2006711647 is 7461176002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2006711647 - 2⁷ = 2006711519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006711677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003355823 + 1003355824.

It is an arithmetic number, because the mean of its divisors is an integer number (1003355824).

Almost surely, 2^2006711647 is an apocalyptic number.

2006711647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006711647 is an equidigital number, since it uses as much as digits as its factorization.

2006711647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2006711647 is about 44796.3351960850. The cubic root of 2006711647 is about 1261.3288338649.

Adding to 2006711647 its reverse (7461176002), we get a palindrome (9467887649).

The spelling of 2006711647 in words is "two billion, six million, seven hundred eleven thousand, six hundred forty-seven".