542213304566 has 4 divisors (see below), whose sum is σ = 813319956852. Its totient is φ = 271106652282.

The previous prime is 542213304559. The next prime is 542213304679. The reversal of 542213304566 is 665403312245.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135553326140 + ... + 135553326143.

It is an arithmetic number, because the mean of its divisors is an integer number (203329989213).

Almost surely, 2^542213304566 is an apocalyptic number.

542213304566 is a deficient number, since it is larger than the sum of its proper divisors (271106652286).

542213304566 is a wasteful number, since it uses less digits than its factorization.

542213304566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271106652285.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 542213304566 in words is "five hundred forty-two billion, two hundred thirteen million, three hundred four thousand, five hundred sixty-six".