2543673044 has 24 divisors (see below), whose sum is σ = 4910673600. Its totient is φ = 1143222080.

The previous prime is 2543673007. The next prime is 2543673049. The reversal of 2543673044 is 4403763452.

It is a junction number, because it is equal to n+sod(n) for n = 2543672989 and 2543673007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543673049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320864 + ... + 328695.

It is an arithmetic number, because the mean of its divisors is an integer number (204611400).

Almost surely, 2^2543673044 is an apocalyptic number.

It is an amenable number.

2543673044 is a deficient number, since it is larger than the sum of its proper divisors (2367000556).

2543673044 is a wasteful number, since it uses less digits than its factorization.

2543673044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649663 (or 649661 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The square root of 2543673044 is about 50434.8395853501. The cubic root of 2543673044 is about 1365.0663546574.

The spelling of 2543673044 in words is "two billion, five hundred forty-three million, six hundred seventy-three thousand, forty-four".