641042445299 has 2 divisors, whose sum is σ = 641042445300. Its totient is φ = 641042445298.

The previous prime is 641042445289. The next prime is 641042445413. The reversal of 641042445299 is 992544240146.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641042445299 is a prime.

It is not a weakly prime, because it can be changed into another prime (641042445289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320521222649 + 320521222650.

It is an arithmetic number, because the mean of its divisors is an integer number (320521222650).

Almost surely, 2^641042445299 is an apocalyptic number.

641042445299 is a deficient number, since it is larger than the sum of its proper divisors (1).

641042445299 is an equidigital number, since it uses as much as digits as its factorization.

641042445299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 641042445299 in words is "six hundred forty-one billion, forty-two million, four hundred forty-five thousand, two hundred ninety-nine".