8361956963 has 2 divisors, whose sum is σ = 8361956964. Its totient is φ = 8361956962.

The previous prime is 8361956959. The next prime is 8361956989. The reversal of 8361956963 is 3696591638.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8361956963 - 2² = 8361956959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8361956899 and 8361956908.

It is not a weakly prime, because it can be changed into another prime (8361956663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180978481 + 4180978482.

It is an arithmetic number, because the mean of its divisors is an integer number (4180978482).

Almost surely, 2^8361956963 is an apocalyptic number.

8361956963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361956963 is an equidigital number, since it uses as much as digits as its factorization.

8361956963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 56.

The square root of 8361956963 is about 91443.7365979759. The cubic root of 8361956963 is about 2029.7192751657.

The spelling of 8361956963 in words is "eight billion, three hundred sixty-one million, nine hundred fifty-six thousand, nine hundred sixty-three".