543412512435021 has 16 divisors (see below), whose sum is σ = 725672674215936. Its totient is φ = 361713769859376.

The previous prime is 543412512434999. The next prime is 543412512435043. The reversal of 543412512435021 is 120534215214345.

It is an interprime number because it is at equal distance from previous prime (543412512434999) and next prime (543412512435043).

It is not a de Polignac number, because 543412512435021 - 2⁹ = 543412512434509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543412512435721) 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, 12769206 + ... + 35353608.

It is an arithmetic number, because the mean of its divisors is an integer number (45354542138496).

Almost surely, 2^{543412512435021} is an apocalyptic number.

It is an amenable number.

543412512435021 is a deficient number, since it is larger than the sum of its proper divisors (182260161780915).

543412512435021 is a wasteful number, since it uses less digits than its factorization.

543412512435021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596832.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 543412512435021 its reverse (120534215214345), we get a palindrome (663946727649366).

The spelling of 543412512435021 in words is "five hundred forty-three trillion, four hundred twelve billion, five hundred twelve million, four hundred thirty-five thousand, twenty-one".