2543631004033 has 10 divisors (see below), whose sum is σ = 2967392940034. Its totient is φ = 2180255144256.

The previous prime is 2543631004003. The next prime is 2543631004039. The reversal of 2543631004033 is 3304001363452.

It can be written as a sum of positive squares in only one way, i.e., 2303194746384 + 240436257649 = 1517628^2 + 490343^2 .

It is not a de Polignac number, because 2543631004033 - 2³³ = 2535041069441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543631004033.

It is not an unprimeable number, because it can be changed into a prime (2543631004039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 529700016 + ... + 529704817.

Almost surely, 2^{2543631004033} is an apocalyptic number.

It is an amenable number.

2543631004033 is a deficient number, since it is larger than the sum of its proper divisors (423761936001).

2543631004033 is an frugal number, since it uses more digits than its factorization.

2543631004033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059404861 (or 1059404840 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 2543631004033 its reverse (3304001363452), we get a palindrome (5847632367485).

The spelling of 2543631004033 in words is "two trillion, five hundred forty-three billion, six hundred thirty-one million, four thousand, thirty-three".