42554204243 has 2 divisors, whose sum is σ = 42554204244. Its totient is φ = 42554204242.

The previous prime is 42554204171. The next prime is 42554204293. The reversal of 42554204243 is 34240245524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42554204243 - 2¹² = 42554200147 is a prime.

It is not a weakly prime, because it can be changed into another prime (42554204293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21277102121 + 21277102122.

It is an arithmetic number, because the mean of its divisors is an integer number (21277102122).

Almost surely, 2^42554204243 is an apocalyptic number.

42554204243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554204243 is an equidigital number, since it uses as much as digits as its factorization.

42554204243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 42554204243 its reverse (34240245524), we get a palindrome (76794449767).

The spelling of 42554204243 in words is "forty-two billion, five hundred fifty-four million, two hundred four thousand, two hundred forty-three".