2043432045531 has 16 divisors (see below), whose sum is σ = 3027378616320. Its totient is φ = 1362255683400.

The previous prime is 2043432045497. The next prime is 2043432045533. The reversal of 2043432045531 is 1355402343402.

2043432045531 is a `hidden beast` number, since 2 + 0 + 43 + 43 + 2 + 0 + 45 + 531 = 666.

It is not a de Polignac number, because 2043432045531 - 2¹⁴ = 2043432029147 is a prime.

It is a super-2 number, since 2×2043432045531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2043432045533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288126 + ... + 2042028.

It is an arithmetic number, because the mean of its divisors is an integer number (189211163520).

Almost surely, 2^{2043432045531} is an apocalyptic number.

2043432045531 is a deficient number, since it is larger than the sum of its proper divisors (983946570789).

2043432045531 is a wasteful number, since it uses less digits than its factorization.

2043432045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797063 (or 1797057 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 2043432045531 its reverse (1355402343402), we get a palindrome (3398834388933).

The spelling of 2043432045531 in words is "two trillion, forty-three billion, four hundred thirty-two million, forty-five thousand, five hundred thirty-one".