8906063693 has 2 divisors, whose sum is σ = 8906063694. Its totient is φ = 8906063692.

The previous prime is 8906063681. The next prime is 8906063773. The reversal of 8906063693 is 3963606098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4735228969 + 4170834724 = 68813^2 + 64582^2 .

It is a cyclic number.

It is not a de Polignac number, because 8906063693 - 2³² = 4611096397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8906063603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4453031846 + 4453031847.

It is an arithmetic number, because the mean of its divisors is an integer number (4453031847).

Almost surely, 2^8906063693 is an apocalyptic number.

It is an amenable number.

8906063693 is a deficient number, since it is larger than the sum of its proper divisors (1).

8906063693 is an equidigital number, since it uses as much as digits as its factorization.

8906063693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 8906063693 is about 94371.9433571228. The cubic root of 8906063693 is about 2072.8216316962.

The spelling of 8906063693 in words is "eight billion, nine hundred six million, sixty-three thousand, six hundred ninety-three".