542168773 has 4 divisors (see below), whose sum is σ = 542298400. Its totient is φ = 542039148.

The previous prime is 542168771. The next prime is 542168791. The reversal of 542168773 is 377861245.

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 a cyclic number.

It is not a de Polignac number, because 542168773 - 2¹ = 542168771 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 (542168771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58323 + ... + 66976.

It is an arithmetic number, because the mean of its divisors is an integer number (135574600).

Almost surely, 2^542168773 is an apocalyptic number.

It is an amenable number.

542168773 is a deficient number, since it is larger than the sum of its proper divisors (129627).

542168773 is a wasteful number, since it uses less digits than its factorization.

542168773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129626.

The product of its digits is 282240, while the sum is 43.

The square root of 542168773 is about 23284.5178820606. The cubic root of 542168773 is about 815.4140057231.

The spelling of 542168773 in words is "five hundred forty-two million, one hundred sixty-eight thousand, seven hundred seventy-three".