542603220443 has 16 divisors (see below), whose sum is σ = 556577010720. Its totient is φ = 528819303936.

The previous prime is 542603220391. The next prime is 542603220457. The reversal of 542603220443 is 344022306245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 542603220443 - 2¹⁸ = 542602958299 is a prime.

It is a super-2 number, since 2×542603220443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542603220463) 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, 4152713 + ... + 4281381.

It is an arithmetic number, because the mean of its divisors is an integer number (34786063170).

Almost surely, 2^542603220443 is an apocalyptic number.

542603220443 is a deficient number, since it is larger than the sum of its proper divisors (13973790277).

542603220443 is a wasteful number, since it uses less digits than its factorization.

542603220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129406.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 542603220443 its reverse (344022306245), we get a palindrome (886625526688).

The spelling of 542603220443 in words is "five hundred forty-two billion, six hundred three million, two hundred twenty thousand, four hundred forty-three".