6706706706737 has 2 divisors, whose sum is σ = 6706706706738. Its totient is φ = 6706706706736.

The previous prime is 6706706706629. The next prime is 6706706706787. The reversal of 6706706706737 is 7376076076076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3703473162481 + 3003233544256 = 1924441^2 + 1732984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6706706706737 is a prime.

It is a super-2 number, since 2×6706706706737² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6706706706737.

It is not a weakly prime, because it can be changed into another prime (6706706706787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353353353368 + 3353353353369.

It is an arithmetic number, because the mean of its divisors is an integer number (3353353353369).

Almost surely, 2^{6706706706737} is an apocalyptic number.

It is an amenable number.

6706706706737 is a deficient number, since it is larger than the sum of its proper divisors (1).

6706706706737 is an equidigital number, since it uses as much as digits as its factorization.

6706706706737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65345616, while the sum is 62.

The spelling of 6706706706737 in words is "six trillion, seven hundred six billion, seven hundred six million, seven hundred six thousand, seven hundred thirty-seven".