2641817889 has 8 divisors (see below), whose sum is σ = 3913804320. Its totient is φ = 1761211908.

The previous prime is 2641817887. The next prime is 2641817911. The reversal of 2641817889 is 9887181462.

It is not a de Polignac number, because 2641817889 - 2¹ = 2641817887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2641817887) 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 in 7 ways as a sum of consecutive naturals, for example, 48922527 + ... + 48922580.

It is an arithmetic number, because the mean of its divisors is an integer number (489225540).

Almost surely, 2^2641817889 is an apocalyptic number.

It is an amenable number.

2641817889 is a deficient number, since it is larger than the sum of its proper divisors (1271986431).

2641817889 is an equidigital number, since it uses as much as digits as its factorization.

2641817889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97845116 (or 97845110 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 2641817889 is about 51398.6175786859. The cubic root of 2641817889 is about 1382.4018050936.

The spelling of 2641817889 in words is "two billion, six hundred forty-one million, eight hundred seventeen thousand, eight hundred eighty-nine".