542910109 has 4 divisors (see below), whose sum is σ = 620468704. Its totient is φ = 465351516.

The previous prime is 542910103. The next prime is 542910119. The reversal of 542910109 is 901019245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 542910109 - 2¹¹ = 542908061 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 (542910103) 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 3 ways as a sum of consecutive naturals, for example, 38779287 + ... + 38779300.

It is an arithmetic number, because the mean of its divisors is an integer number (155117176).

Almost surely, 2^542910109 is an apocalyptic number.

It is an amenable number.

542910109 is a deficient number, since it is larger than the sum of its proper divisors (77558595).

542910109 is an equidigital number, since it uses as much as digits as its factorization.

542910109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77558594.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 542910109 is about 23300.4315196092. The cubic root of 542910109 is about 815.7854893378.

The spelling of 542910109 in words is "five hundred forty-two million, nine hundred ten thousand, one hundred nine".