542164749 has 8 divisors (see below), whose sum is σ = 826155840. Its totient is φ = 309808416.

The previous prime is 542164741. The next prime is 542164789. The reversal of 542164749 is 947461245.

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

It is not a de Polignac number, because 542164749 - 2³ = 542164741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542164749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542164741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12908664 + ... + 12908705.

It is an arithmetic number, because the mean of its divisors is an integer number (103269480).

Almost surely, 2^542164749 is an apocalyptic number.

It is an amenable number.

542164749 is a deficient number, since it is larger than the sum of its proper divisors (283991091).

542164749 is a wasteful number, since it uses less digits than its factorization.

542164749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817379.

The product of its digits is 241920, while the sum is 42.

The square root of 542164749 is about 23284.4314725526. The cubic root of 542164749 is about 815.4119883721.

The spelling of 542164749 in words is "five hundred forty-two million, one hundred sixty-four thousand, seven hundred forty-nine".