542242564653 has 4 divisors (see below), whose sum is σ = 722990086208. Its totient is φ = 361495043100.

The previous prime is 542242564651. The next prime is 542242564697. The reversal of 542242564653 is 356465242245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 542242564653 - 2¹ = 542242564651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542242564651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90373760773 + ... + 90373760778.

It is an arithmetic number, because the mean of its divisors is an integer number (180747521552).

Almost surely, 2^542242564653 is an apocalyptic number.

It is an amenable number.

542242564653 is a deficient number, since it is larger than the sum of its proper divisors (180747521555).

542242564653 is a wasteful number, since it uses less digits than its factorization.

542242564653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180747521554.

The product of its digits is 6912000, while the sum is 48.

The spelling of 542242564653 in words is "five hundred forty-two billion, two hundred forty-two million, five hundred sixty-four thousand, six hundred fifty-three".