542321172749 has 8 divisors (see below), whose sum is σ = 559823916288. Its totient is φ = 524818961280.

The previous prime is 542321172719. The next prime is 542321172773. The reversal of 542321172749 is 947271123245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542321172749 is a prime.

It is a super-3 number, since 3×542321172749³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542321172719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616349 + ... + 3763325.

It is an arithmetic number, because the mean of its divisors is an integer number (69977989536).

Almost surely, 2^542321172749 is an apocalyptic number.

It is an amenable number.

542321172749 is a deficient number, since it is larger than the sum of its proper divisors (17502743539).

542321172749 is a wasteful number, since it uses less digits than its factorization.

542321172749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266035.

The product of its digits is 846720, while the sum is 47.

The spelling of 542321172749 in words is "five hundred forty-two billion, three hundred twenty-one million, one hundred seventy-two thousand, seven hundred forty-nine".