6969696961 has 2 divisors, whose sum is σ = 6969696962. Its totient is φ = 6969696960.

The previous prime is 6969696959. The next prime is 6969696971. The reversal of 6969696961 is 1696969696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4739496336 + 2230200625 = 68844^2 + 47225^2 .

It is a cyclic number.

It is not a de Polignac number, because 6969696961 - 2¹ = 6969696959 is a prime.

Together with 6969696959, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (6969696931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3484848480 + 3484848481.

It is an arithmetic number, because the mean of its divisors is an integer number (3484848481).

Almost surely, 2^6969696961 is an apocalyptic number.

It is an amenable number.

6969696961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6969696961 is an equidigital number, since it uses as much as digits as its factorization.

6969696961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51018336, while the sum is 67.

The square root of 6969696961 is about 83484.7109415850. The cubic root of 6969696961 is about 1910.1668267064.

The spelling of 6969696961 in words is "six billion, nine hundred sixty-nine million, six hundred ninety-six thousand, nine hundred sixty-one".