2543345500000 has 84 divisors (see below), whose sum is σ = 6258935431476. Its totient is φ = 1017338000000.

The previous prime is 2543345499953. The next prime is 2543345500001. The reversal of 2543345500000 is 55433452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543345500001) 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 13 ways as a sum of consecutive naturals, for example, 2043346 + ... + 3043345.

It is an arithmetic number, because the mean of its divisors is an integer number (74511136089).

Almost surely, 2^{2543345500000} is an apocalyptic number.

2543345500000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543345500000 is an abundant number, since it is smaller than the sum of its proper divisors (3715589931476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543345500000 is an frugal number, since it uses more digits than its factorization.

2543345500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086731 (or 5086698 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 2543345500000 in words is "two trillion, five hundred forty-three billion, three hundred forty-five million, five hundred thousand".