5969781664123 has 2 divisors, whose sum is σ = 5969781664124. Its totient is φ = 5969781664122.

The previous prime is 5969781664087. The next prime is 5969781664193. The reversal of 5969781664123 is 3214661879695.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5969781664123 - 2⁹ = 5969781663611 is a prime.

It is not a weakly prime, because it can be changed into another prime (5969781664193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2984890832061 + 2984890832062.

It is an arithmetic number, because the mean of its divisors is an integer number (2984890832062).

Almost surely, 2^{5969781664123} is an apocalyptic number.

5969781664123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5969781664123 is an equidigital number, since it uses as much as digits as its factorization.

5969781664123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 67.

The spelling of 5969781664123 in words is "five trillion, nine hundred sixty-nine billion, seven hundred eighty-one million, six hundred sixty-four thousand, one hundred twenty-three".