542220512635 has 4 divisors (see below), whose sum is σ = 650664615168. Its totient is φ = 433776410104.

The previous prime is 542220512579. The next prime is 542220512681. The reversal of 542220512635 is 536215022245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542220512635 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542220512594 and 542220512603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54222051259 + ... + 54222051268.

It is an arithmetic number, because the mean of its divisors is an integer number (162666153792).

Almost surely, 2^542220512635 is an apocalyptic number.

542220512635 is a deficient number, since it is larger than the sum of its proper divisors (108444102533).

542220512635 is a wasteful number, since it uses less digits than its factorization.

542220512635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108444102532.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 542220512635 in words is "five hundred forty-two billion, two hundred twenty million, five hundred twelve thousand, six hundred thirty-five".