968961917633 has 2 divisors, whose sum is σ = 968961917634. Its totient is φ = 968961917632.

The previous prime is 968961917617. The next prime is 968961917639. The reversal of 968961917633 is 336719169869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935259199744 + 33702717889 = 967088^2 + 183583^2 .

It is a cyclic number.

It is not a de Polignac number, because 968961917633 - 2⁴ = 968961917617 is a prime.

It is not a weakly prime, because it can be changed into another prime (968961917639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484480958816 + 484480958817.

It is an arithmetic number, because the mean of its divisors is an integer number (484480958817).

Almost surely, 2^968961917633 is an apocalyptic number.

It is an amenable number.

968961917633 is a deficient number, since it is larger than the sum of its proper divisors (1).

968961917633 is an equidigital number, since it uses as much as digits as its factorization.

968961917633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79361856, while the sum is 68.

The spelling of 968961917633 in words is "nine hundred sixty-eight billion, nine hundred sixty-one million, nine hundred seventeen thousand, six hundred thirty-three".