969689663 has 2 divisors, whose sum is σ = 969689664. Its totient is φ = 969689662.

The previous prime is 969689657. The next prime is 969689701. The reversal of 969689663 is 366986969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 969689663 - 2¹⁰ = 969688639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 969689596 and 969689605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969689863) 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, 484844831 + 484844832.

It is an arithmetic number, because the mean of its divisors is an integer number (484844832).

Almost surely, 2^969689663 is an apocalyptic number.

969689663 is a deficient number, since it is larger than the sum of its proper divisors (1).

969689663 is an equidigital number, since it uses as much as digits as its factorization.

969689663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22674816, while the sum is 62.

The square root of 969689663 is about 31139.8404459625. The cubic root of 969689663 is about 989.7927202677.

The spelling of 969689663 in words is "nine hundred sixty-nine million, six hundred eighty-nine thousand, six hundred sixty-three".