2543626004109 has 16 divisors (see below), whose sum is σ = 3508632313920. Its totient is φ = 1637191270400.

The previous prime is 2543626004081. The next prime is 2543626004111. The reversal of 2543626004109 is 9014006263452.

2543626004109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2543626004109 - 2¹⁹ = 2543625479821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543626004119) 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, 941434 + ... + 2444084.

It is an arithmetic number, because the mean of its divisors is an integer number (219289519620).

Almost surely, 2^{2543626004109} is an apocalyptic number.

2543626004109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2543626004109 is a deficient number, since it is larger than the sum of its proper divisors (965006309811).

2543626004109 is a wasteful number, since it uses less digits than its factorization.

2543626004109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522140.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2543626004109 in words is "two trillion, five hundred forty-three billion, six hundred twenty-six million, four thousand, one hundred nine".