542220816709 has 32 divisors (see below), whose sum is σ = 641372110848. Its totient is φ = 451907640000.

The previous prime is 542220816707. The next prime is 542220816727. The reversal of 542220816709 is 907618022245.

It is a cyclic number.

It is not a de Polignac number, because 542220816709 - 2¹ = 542220816707 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 (542220816707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13724434 + ... + 13763884.

It is an arithmetic number, because the mean of its divisors is an integer number (20042878464).

Almost surely, 2^542220816709 is an apocalyptic number.

It is an amenable number.

542220816709 is a deficient number, since it is larger than the sum of its proper divisors (99151294139).

542220816709 is a wasteful number, since it uses less digits than its factorization.

542220816709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 542220816709 in words is "five hundred forty-two billion, two hundred twenty million, eight hundred sixteen thousand, seven hundred nine".