6703733706661 has 2 divisors, whose sum is σ = 6703733706662. Its totient is φ = 6703733706660.

The previous prime is 6703733706613. The next prime is 6703733706809. The reversal of 6703733706661 is 1666073373076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6648306421761 + 55427284900 = 2578431^2 + 235430^2 .

It is a cyclic number.

It is not a de Polignac number, because 6703733706661 - 2²⁷ = 6703599488933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6703733706361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3351866853330 + 3351866853331.

It is an arithmetic number, because the mean of its divisors is an integer number (3351866853331).

Almost surely, 2^{6703733706661} is an apocalyptic number.

It is an amenable number.

6703733706661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6703733706661 is an equidigital number, since it uses as much as digits as its factorization.

6703733706661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 55.

The spelling of 6703733706661 in words is "six trillion, seven hundred three billion, seven hundred thirty-three million, seven hundred six thousand, six hundred sixty-one".