2543223566629 has 2 divisors, whose sum is σ = 2543223566630. Its totient is φ = 2543223566628.

The previous prime is 2543223566593. The next prime is 2543223566659. The reversal of 2543223566629 is 9266653223452.

2543223566629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946624896225 + 596598670404 = 1395215^2 + 772398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543223566629 - 2¹⁵ = 2543223533861 is a prime.

It is a super-2 number, since 2×2543223566629² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543223566629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543223566659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271611783314 + 1271611783315.

It is an arithmetic number, because the mean of its divisors is an integer number (1271611783315).

Almost surely, 2^{2543223566629} is an apocalyptic number.

It is an amenable number.

2543223566629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543223566629 is an equidigital number, since it uses as much as digits as its factorization.

2543223566629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27993600, while the sum is 55.

The spelling of 2543223566629 in words is "two trillion, five hundred forty-three billion, two hundred twenty-three million, five hundred sixty-six thousand, six hundred twenty-nine".