2543053421345 has 16 divisors (see below), whose sum is σ = 3073750848000. Its totient is φ = 2019719503488.

The previous prime is 2543053421339. The next prime is 2543053421351. The reversal of 2543053421345 is 5431243503452.

It is an interprime number because it is at equal distance from previous prime (2543053421339) and next prime (2543053421351).

It is a cyclic number.

It is not a de Polignac number, because 2543053421345 - 2²² = 2543049227041 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19617101 + ... + 19746309.

It is an arithmetic number, because the mean of its divisors is an integer number (192109428000).

Almost surely, 2^{2543053421345} is an apocalyptic number.

It is an amenable number.

2543053421345 is a deficient number, since it is larger than the sum of its proper divisors (530697426655).

2543053421345 is a wasteful number, since it uses less digits than its factorization.

2543053421345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157672.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 2543053421345 its reverse (5431243503452), we get a palindrome (7974296924797).

The spelling of 2543053421345 in words is "two trillion, five hundred forty-three billion, fifty-three million, four hundred twenty-one thousand, three hundred forty-five".