4034642641 has 2 divisors, whose sum is σ = 4034642642. Its totient is φ = 4034642640.

The previous prime is 4034642639. The next prime is 4034642659. The reversal of 4034642641 is 1462464304.

4034642641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2652662016 + 1381980625 = 51504^2 + 37175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4034642641 - 2¹ = 4034642639 is a prime.

Together with 4034642639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4034642597 and 4034642606.

It is not a weakly prime, because it can be changed into another prime (4034642671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017321320 + 2017321321.

It is an arithmetic number, because the mean of its divisors is an integer number (2017321321).

Almost surely, 2^4034642641 is an apocalyptic number.

It is an amenable number.

4034642641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4034642641 is an equidigital number, since it uses as much as digits as its factorization.

4034642641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 4034642641 is about 63518.8368989861. The cubic root of 4034642641 is about 1591.9705327376.

The spelling of 4034642641 in words is "four billion, thirty-four million, six hundred forty-two thousand, six hundred forty-one".