543643261423234 has 16 divisors (see below), whose sum is σ = 951788810274048. Its totient is φ = 228032735794272.

The previous prime is 543643261423159. The next prime is 543643261423253. The reversal of 543643261423234 is 432324162346345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413102781579 + ... + 413102782894.

It is an arithmetic number, because the mean of its divisors is an integer number (59486800642128).

Almost surely, 2^{543643261423234} is an apocalyptic number.

543643261423234 is a deficient number, since it is larger than the sum of its proper divisors (408145548850814).

543643261423234 is a wasteful number, since it uses less digits than its factorization.

543643261423234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826205564529.

The product of its digits is 29859840, while the sum is 52.

The spelling of 543643261423234 in words is "five hundred forty-three trillion, six hundred forty-three billion, two hundred sixty-one million, four hundred twenty-three thousand, two hundred thirty-four".