542013345203621 has 16 divisors (see below), whose sum is σ = 567807295680000. Its totient is φ = 516693131275776.

The previous prime is 542013345203597. The next prime is 542013345203641. The reversal of 542013345203621 is 126302543310245.

It is a cyclic number.

It is not a de Polignac number, because 542013345203621 - 2¹⁰ = 542013345202597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542013345203641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211996160 + ... + 214537638.

It is an arithmetic number, because the mean of its divisors is an integer number (35487955980000).

Almost surely, 2^{542013345203621} is an apocalyptic number.

It is an amenable number.

542013345203621 is a deficient number, since it is larger than the sum of its proper divisors (25793950476379).

542013345203621 is a wasteful number, since it uses less digits than its factorization.

542013345203621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634676.

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

Adding to 542013345203621 its reverse (126302543310245), we get a palindrome (668315888513866).

The spelling of 542013345203621 in words is "five hundred forty-two trillion, thirteen billion, three hundred forty-five million, two hundred three thousand, six hundred twenty-one".