968763613 has 2 divisors, whose sum is σ = 968763614. Its totient is φ = 968763612.

The previous prime is 968763571. The next prime is 968763617. The reversal of 968763613 is 316367869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590149849 + 378613764 = 24293^2 + 19458^2 .

It is an emirp because it is prime and its reverse (316367869) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968763613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968763617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484381806 + 484381807.

It is an arithmetic number, because the mean of its divisors is an integer number (484381807).

Almost surely, 2^968763613 is an apocalyptic number.

It is an amenable number.

968763613 is a deficient number, since it is larger than the sum of its proper divisors (1).

968763613 is an equidigital number, since it uses as much as digits as its factorization.

968763613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 968763613 is about 31124.9676786981. The cubic root of 968763613 is about 989.4775371320.

It can be divided in two parts, 96876 and 3613, that added together give a square (100489 = 317²).

The spelling of 968763613 in words is "nine hundred sixty-eight million, seven hundred sixty-three thousand, six hundred thirteen".