2543354504205 has 16 divisors (see below), whose sum is σ = 4069424206080. Its totient is φ = 1356436735808.

The previous prime is 2543354504203. The next prime is 2543354504219. The reversal of 2543354504205 is 5024054533452.

It is a cyclic number.

It is not a de Polignac number, because 2543354504205 - 2¹ = 2543354504203 is a prime.

It is a super-2 number, since 2×2543354504205² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543354504203) 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, 45462 + ... + 2255831.

It is an arithmetic number, because the mean of its divisors is an integer number (254339012880).

Almost surely, 2^{2543354504205} is an apocalyptic number.

It is an amenable number.

2543354504205 is a deficient number, since it is larger than the sum of its proper divisors (1526069701875).

2543354504205 is a wasteful number, since it uses less digits than its factorization.

2543354504205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374980.

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 2543354504205 in words is "two trillion, five hundred forty-three billion, three hundred fifty-four million, five hundred four thousand, two hundred five".