2543448011 has 4 divisors (see below), whose sum is σ = 2739097872. Its totient is φ = 2347798152.

The previous prime is 2543448001. The next prime is 2543448109. The reversal of 2543448011 is 1108443452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2543448011 - 2⁶ = 2543447947 is a prime.

It is a super-2 number, since 2×2543448011² = 12938255569319712242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543448001) 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, 97824911 + ... + 97824936.

It is an arithmetic number, because the mean of its divisors is an integer number (684774468).

Almost surely, 2^2543448011 is an apocalyptic number.

2543448011 is a deficient number, since it is larger than the sum of its proper divisors (195649861).

2543448011 is a wasteful number, since it uses less digits than its factorization.

2543448011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195649860.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2543448011 is about 50432.6086079235. The cubic root of 2543448011 is about 1365.0260986928.

The spelling of 2543448011 in words is "two billion, five hundred forty-three million, four hundred forty-eight thousand, eleven".