968763569 has 2 divisors, whose sum is σ = 968763570. Its totient is φ = 968763568.

The previous prime is 968763559. The next prime is 968763571. The reversal of 968763569 is 965367869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731973025 + 236790544 = 27055^2 + 15388^2 .

It is a cyclic number.

It is not a de Polignac number, because 968763569 - 2⁴ = 968763553 is a prime.

It is a super-2 number, since 2×968763569² = 1877005705243235522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 968763571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (968763529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484381784 + 484381785.

It is an arithmetic number, because the mean of its divisors is an integer number (484381785).

Almost surely, 2^968763569 is an apocalyptic number.

It is an amenable number.

968763569 is a deficient number, since it is larger than the sum of its proper divisors (1).

968763569 is an equidigital number, since it uses as much as digits as its factorization.

968763569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The square root of 968763569 is about 31124.9669718700. The cubic root of 968763569 is about 989.4775221518.

The spelling of 968763569 in words is "nine hundred sixty-eight million, seven hundred sixty-three thousand, five hundred sixty-nine".