542443566233 has 2 divisors, whose sum is σ = 542443566234. Its totient is φ = 542443566232.

The previous prime is 542443566229. The next prime is 542443566253. The reversal of 542443566233 is 332665344245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271516029184 + 270927537049 = 521072^2 + 520507^2 .

It is a cyclic number.

It is not a de Polignac number, because 542443566233 - 2² = 542443566229 is a prime.

It is not a weakly prime, because it can be changed into another prime (542443566253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271221783116 + 271221783117.

It is an arithmetic number, because the mean of its divisors is an integer number (271221783117).

Almost surely, 2^542443566233 is an apocalyptic number.

It is an amenable number.

542443566233 is a deficient number, since it is larger than the sum of its proper divisors (1).

542443566233 is an equidigital number, since it uses as much as digits as its factorization.

542443566233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 47.

The spelling of 542443566233 in words is "five hundred forty-two billion, four hundred forty-three million, five hundred sixty-six thousand, two hundred thirty-three".