968763109 has 2 divisors, whose sum is σ = 968763110. Its totient is φ = 968763108.

The previous prime is 968763043. The next prime is 968763137. The reversal of 968763109 is 901367869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488189025 + 480574084 = 22095^2 + 21922^2 .

It is an emirp because it is prime and its reverse (901367869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 968763109 - 2¹⁷ = 968632037 is a prime.

It is a super-3 number, since 3×968763109³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_49338985 and since 968763109 and 49338985 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968763199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484381554 + 484381555.

It is an arithmetic number, because the mean of its divisors is an integer number (484381555).

Almost surely, 2^968763109 is an apocalyptic number.

It is an amenable number.

968763109 is a deficient number, since it is larger than the sum of its proper divisors (1).

968763109 is an equidigital number, since it uses as much as digits as its factorization.

968763109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 968763109 is about 31124.9595823031. The cubic root of 968763109 is about 989.4773655399.

The spelling of 968763109 in words is "nine hundred sixty-eight million, seven hundred sixty-three thousand, one hundred nine".