542046191829 has 4 divisors (see below), whose sum is σ = 722728255776. Its totient is φ = 361364127884.

The previous prime is 542046191783. The next prime is 542046191873. The reversal of 542046191829 is 928191640245.

It is a happy number.

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 542046191829 - 2²¹ = 542044094677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542046181829) 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 3 ways as a sum of consecutive naturals, for example, 90341031969 + ... + 90341031974.

It is an arithmetic number, because the mean of its divisors is an integer number (180682063944).

Almost surely, 2^542046191829 is an apocalyptic number.

It is an amenable number.

542046191829 is a deficient number, since it is larger than the sum of its proper divisors (180682063947).

542046191829 is a wasteful number, since it uses less digits than its factorization.

542046191829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180682063946.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 542046191829 in words is "five hundred forty-two billion, forty-six million, one hundred ninety-one thousand, eight hundred twenty-nine".