542045436361 has 32 divisors (see below), whose sum is σ = 640401511680. Its totient is φ = 452299161600.

The previous prime is 542045436349. The next prime is 542045436403. The reversal of 542045436361 is 163634540245.

It is a happy number.

It is not a de Polignac number, because 542045436361 - 2¹⁵ = 542045403593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542045436301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102638041 + ... + 102643321.

It is an arithmetic number, because the mean of its divisors is an integer number (20012547240).

Almost surely, 2^542045436361 is an apocalyptic number.

It is an amenable number.

542045436361 is a deficient number, since it is larger than the sum of its proper divisors (98356075319).

542045436361 is a wasteful number, since it uses less digits than its factorization.

542045436361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 542045436361 in words is "five hundred forty-two billion, forty-five million, four hundred thirty-six thousand, three hundred sixty-one".