2641775871 has 16 divisors (see below), whose sum is σ = 4029363200. Its totient is φ = 1508161248.

The previous prime is 2641775803. The next prime is 2641775893. The reversal of 2641775871 is 1785771462.

It is not a de Polignac number, because 2641775871 - 2⁷ = 2641775743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2641775871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641775471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36391 + ... + 81288.

It is an arithmetic number, because the mean of its divisors is an integer number (251835200).

Almost surely, 2^2641775871 is an apocalyptic number.

2641775871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2641775871 is a deficient number, since it is larger than the sum of its proper divisors (1387587329).

2641775871 is a wasteful number, since it uses less digits than its factorization.

2641775871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118758.

The product of its digits is 658560, while the sum is 48.

The square root of 2641775871 is about 51398.2088306587. The cubic root of 2641775871 is about 1382.3944760409.

The spelling of 2641775871 in words is "two billion, six hundred forty-one million, seven hundred seventy-five thousand, eight hundred seventy-one".