42546436122243 has 16 divisors (see below), whose sum is σ = 59962073494400. Its totient is φ = 26759933608320.

The previous prime is 42546436122227. The next prime is 42546436122247. The reversal of 42546436122243 is 34222163464524.

It is not a de Polignac number, because 42546436122243 - 2⁴ = 42546436122227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42546436122192 and 42546436122201.

It is not an unprimeable number, because it can be changed into a prime (42546436122247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548593533 + ... + 1548621006.

It is an arithmetic number, because the mean of its divisors is an integer number (3747629593400).

Almost surely, 2^{42546436122243} is an apocalyptic number.

42546436122243 is a deficient number, since it is larger than the sum of its proper divisors (17415637372157).

42546436122243 is a wasteful number, since it uses less digits than its factorization.

42546436122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097214802.

The product of its digits is 6635520, while the sum is 48.

Adding to 42546436122243 its reverse (34222163464524), we get a palindrome (76768599586767).

The spelling of 42546436122243 in words is "forty-two trillion, five hundred forty-six billion, four hundred thirty-six million, one hundred twenty-two thousand, two hundred forty-three".