968408653 has 2 divisors, whose sum is σ = 968408654. Its totient is φ = 968408652.

The previous prime is 968408599. The next prime is 968408669. The reversal of 968408653 is 356804869.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568488649 + 399920004 = 23843^2 + 19998^2 .

It is an emirp because it is prime and its reverse (356804869) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968408653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 968408597 and 968408606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968408453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484204326 + 484204327.

It is an arithmetic number, because the mean of its divisors is an integer number (484204327).

Almost surely, 2^968408653 is an apocalyptic number.

It is an amenable number.

968408653 is a deficient number, since it is larger than the sum of its proper divisors (1).

968408653 is an equidigital number, since it uses as much as digits as its factorization.

968408653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 968408653 is about 31119.2649816798. The cubic root of 968408653 is about 989.3566724727.

The spelling of 968408653 in words is "nine hundred sixty-eight million, four hundred eight thousand, six hundred fifty-three".