968689913 has 2 divisors, whose sum is σ = 968689914. Its totient is φ = 968689912.

The previous prime is 968689877. The next prime is 968689921. The reversal of 968689913 is 319986869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514019584 + 454670329 = 22672^2 + 21323^2 .

It is a cyclic number.

It is not a de Polignac number, because 968689913 - 2²⁶ = 901581049 is a prime.

It is not a weakly prime, because it can be changed into another prime (968389913) 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, 484344956 + 484344957.

It is an arithmetic number, because the mean of its divisors is an integer number (484344957).

Almost surely, 2^968689913 is an apocalyptic number.

It is an amenable number.

968689913 is a deficient number, since it is larger than the sum of its proper divisors (1).

968689913 is an equidigital number, since it uses as much as digits as its factorization.

968689913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The square root of 968689913 is about 31123.7837192074. The cubic root of 968689913 is about 989.4524445491.

It can be divided in two parts, 9686 and 89913, that added together give a palindrome (99599).

The spelling of 968689913 in words is "nine hundred sixty-eight million, six hundred eighty-nine thousand, nine hundred thirteen".