542406650653 has 4 divisors (see below), whose sum is σ = 619893315040. Its totient is φ = 464919986268.

The previous prime is 542406650651. The next prime is 542406650663. The reversal of 542406650653 is 356056604245.

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 a cyclic number.

It is not a de Polignac number, because 542406650653 - 2¹ = 542406650651 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 (542406650651) 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 3 ways as a sum of consecutive naturals, for example, 38743332183 + ... + 38743332196.

It is an arithmetic number, because the mean of its divisors is an integer number (154973328760).

Almost surely, 2^542406650653 is an apocalyptic number.

It is an amenable number.

542406650653 is a deficient number, since it is larger than the sum of its proper divisors (77486664387).

542406650653 is an equidigital number, since it uses as much as digits as its factorization.

542406650653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77486664386.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 542406650653 in words is "five hundred forty-two billion, four hundred six million, six hundred fifty thousand, six hundred fifty-three".