2641144543 has 4 divisors (see below), whose sum is σ = 2641912000. Its totient is φ = 2640377088.

The previous prime is 2641144523. The next prime is 2641144559. The reversal of 2641144543 is 3454411462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3454411462 = 2 ⋅1727205731.

It is a cyclic number.

It is not a de Polignac number, because 2641144543 - 2⁹ = 2641144031 is a prime.

It is a super-3 number, since 3×2641144543³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2641144499 and 2641144508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641144523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378543 + ... + 385456.

It is an arithmetic number, because the mean of its divisors is an integer number (660478000).

Almost surely, 2^2641144543 is an apocalyptic number.

2641144543 is a deficient number, since it is larger than the sum of its proper divisors (767457).

2641144543 is an equidigital number, since it uses as much as digits as its factorization.

2641144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767456.

The product of its digits is 46080, while the sum is 34.

The square root of 2641144543 is about 51392.0669267155. The cubic root of 2641144543 is about 1382.2843463511.

The spelling of 2641144543 in words is "two billion, six hundred forty-one million, one hundred forty-four thousand, five hundred forty-three".