996929669 has 2 divisors, whose sum is σ = 996929670. Its totient is φ = 996929668.

The previous prime is 996929663. The next prime is 996929671. The reversal of 996929669 is 966929699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976562500 + 20367169 = 31250^2 + 4513^2 .

It is a cyclic number.

It is not a de Polignac number, because 996929669 - 2⁴ = 996929653 is a prime.

It is a super-2 number, since 2×996929669² = 1987737529864899122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 996929671, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996929663) 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, 498464834 + 498464835.

It is an arithmetic number, because the mean of its divisors is an integer number (498464835).

Almost surely, 2^996929669 is an apocalyptic number.

It is an amenable number.

996929669 is a deficient number, since it is larger than the sum of its proper divisors (1).

996929669 is an equidigital number, since it uses as much as digits as its factorization.

996929669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25509168, while the sum is 65.

The square root of 996929669 is about 31574.1930854931. The cubic root of 996929669 is about 998.9755071061.

The spelling of 996929669 in words is "nine hundred ninety-six million, nine hundred twenty-nine thousand, six hundred sixty-nine".