543253212442 has 4 divisors (see below), whose sum is σ = 814879818666. Its totient is φ = 271626606220.

The previous prime is 543253212427. The next prime is 543253212599. The reversal of 543253212442 is 244212352345.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 528033302281 + 15219910161 = 726659^2 + 123369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135813303109 + ... + 135813303112.

Almost surely, 2^543253212442 is an apocalyptic number.

543253212442 is a deficient number, since it is larger than the sum of its proper divisors (271626606224).

543253212442 is a wasteful number, since it uses less digits than its factorization.

543253212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271626606223.

The product of its digits is 230400, while the sum is 37.

Adding to 543253212442 its reverse (244212352345), we get a palindrome (787465564787).

The spelling of 543253212442 in words is "five hundred forty-three billion, two hundred fifty-three million, two hundred twelve thousand, four hundred forty-two".