542562404443 has 4 divisors (see below), whose sum is σ = 544329709000. Its totient is φ = 540795099888.

The previous prime is 542562404429. The next prime is 542562404521. The reversal of 542562404443 is 344404265245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542562404443 is a prime.

It is a super-2 number, since 2×542562404443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542562404443.

It is not an unprimeable number, because it can be changed into a prime (542562404243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883651818 + ... + 883652431.

It is an arithmetic number, because the mean of its divisors is an integer number (136082427250).

Almost surely, 2^542562404443 is an apocalyptic number.

542562404443 is a deficient number, since it is larger than the sum of its proper divisors (1767304557).

542562404443 is a wasteful number, since it uses less digits than its factorization.

542562404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767304556.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 542562404443 its reverse (344404265245), we get a palindrome (886966669688).

The spelling of 542562404443 in words is "five hundred forty-two billion, five hundred sixty-two million, four hundred four thousand, four hundred forty-three".