542669689 has 8 divisors (see below), whose sum is σ = 551291840. Its totient is φ = 534114000.

The previous prime is 542669683. The next prime is 542669693. The reversal of 542669689 is 986966245.

It is a happy number.

542669689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542669689 - 2³ = 542669681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542669681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 32944.

It is an arithmetic number, because the mean of its divisors is an integer number (68911480).

Almost surely, 2^542669689 is an apocalyptic number.

It is an amenable number.

542669689 is a deficient number, since it is larger than the sum of its proper divisors (8622151).

542669689 is a wasteful number, since it uses less digits than its factorization.

542669689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33231.

The product of its digits is 5598720, while the sum is 55.

The square root of 542669689 is about 23295.2718164009. The cubic root of 542669689 is about 815.6650519011.

The spelling of 542669689 in words is "five hundred forty-two million, six hundred sixty-nine thousand, six hundred eighty-nine".