42054502543 has 2 divisors, whose sum is σ = 42054502544. Its totient is φ = 42054502542.

The previous prime is 42054502463. The next prime is 42054502579. The reversal of 42054502543 is 34520545024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42054502543 - 2¹³ = 42054494351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42054502499 and 42054502508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42054592543) 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, 21027251271 + 21027251272.

It is an arithmetic number, because the mean of its divisors is an integer number (21027251272).

Almost surely, 2^42054502543 is an apocalyptic number.

42054502543 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054502543 is an equidigital number, since it uses as much as digits as its factorization.

42054502543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 42054502543 in words is "forty-two billion, fifty-four million, five hundred two thousand, five hundred forty-three".