6963865081 has 2 divisors, whose sum is σ = 6963865082. Its totient is φ = 6963865080.

The previous prime is 6963865067. The next prime is 6963865099. The reversal of 6963865081 is 1805683696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5661810025 + 1302055056 = 75245^2 + 36084^2 .

It is a cyclic number.

It is not a de Polignac number, because 6963865081 - 2²⁷ = 6829647353 is a prime.

It is a super-2 number, since 2×6963865081² = 96990833732742273122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6963865061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3481932540 + 3481932541.

It is an arithmetic number, because the mean of its divisors is an integer number (3481932541).

Almost surely, 2^6963865081 is an apocalyptic number.

It is an amenable number.

6963865081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6963865081 is an equidigital number, since it uses as much as digits as its factorization.

6963865081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 6963865081 is about 83449.7757995790. The cubic root of 6963865081 is about 1909.6339019462.

The spelling of 6963865081 in words is "six billion, nine hundred sixty-three million, eight hundred sixty-five thousand, eighty-one".