5000000641 has 2 divisors, whose sum is σ = 5000000642. Its totient is φ = 5000000640.

The previous prime is 5000000623. The next prime is 5000000669. The reversal of 5000000641 is 1460000005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4633661041 + 366339600 = 68071^2 + 19140^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000000641 - 2⁹ = 5000000129 is a prime.

It is not a weakly prime, because it can be changed into another prime (5000000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500000320 + 2500000321.

It is an arithmetic number, because the mean of its divisors is an integer number (2500000321).

Almost surely, 2^5000000641 is an apocalyptic number.

It is an amenable number.

5000000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000000641 is an equidigital number, since it uses as much as digits as its factorization.

5000000641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5000000641 is about 70710.6826512091. The cubic root of 5000000641 is about 1709.9760197497.

Adding to 5000000641 its reverse (1460000005), we get a palindrome (6460000646).

The spelling of 5000000641 in words is "five billion, six hundred forty-one", and thus it is an aban number.