542709219 has 64 divisors (see below), whose sum is σ = 869621760. Its totient is φ = 298045440.

The previous prime is 542709187. The next prime is 542709221. The reversal of 542709219 is 912907245.

It is not a de Polignac number, because 542709219 - 2⁵ = 542709187 is a prime.

It is a super-2 number, since 2×542709219² = 589066592775179922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (542709239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 806067 + ... + 806739.

It is an arithmetic number, because the mean of its divisors is an integer number (13587840).

Almost surely, 2^542709219 is an apocalyptic number.

542709219 is a deficient number, since it is larger than the sum of its proper divisors (326912541).

542709219 is a wasteful number, since it uses less digits than its factorization.

542709219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 542709219 is about 23296.1202563860. The cubic root of 542709219 is about 815.6848567395.

The spelling of 542709219 in words is "five hundred forty-two million, seven hundred nine thousand, two hundred nineteen".