8035644641 has 2 divisors, whose sum is σ = 8035644642. Its totient is φ = 8035644640.

The previous prime is 8035644637. The next prime is 8035644667. The reversal of 8035644641 is 1464465308.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6319614016 + 1716030625 = 79496^2 + 41425^2 .

It is a cyclic number.

It is not a de Polignac number, because 8035644641 - 2² = 8035644637 is a prime.

It is not a weakly prime, because it can be changed into another prime (8035644041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017822320 + 4017822321.

It is an arithmetic number, because the mean of its divisors is an integer number (4017822321).

Almost surely, 2^8035644641 is an apocalyptic number.

It is an amenable number.

8035644641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8035644641 is an equidigital number, since it uses as much as digits as its factorization.

8035644641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 8035644641 is about 89641.7572395812. The cubic root of 8035644641 is about 2002.9659860391.

The spelling of 8035644641 in words is "eight billion, thirty-five million, six hundred forty-four thousand, six hundred forty-one".