254042420543 has 8 divisors (see below), whose sum is σ = 263211236400. Its totient is φ = 244900853568.

The previous prime is 254042420537. The next prime is 254042420551. The reversal of 254042420543 is 345024240452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254042420543 - 2⁶ = 254042420479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254042423543) 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 7 ways as a sum of consecutive naturals, for example, 6793238 + ... + 6830531.

It is an arithmetic number, because the mean of its divisors is an integer number (32901404550).

Almost surely, 2^254042420543 is an apocalyptic number.

254042420543 is a deficient number, since it is larger than the sum of its proper divisors (9168815857).

254042420543 is a wasteful number, since it uses less digits than its factorization.

254042420543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624441.

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

Adding to 254042420543 its reverse (345024240452), we get a palindrome (599066660995).

The spelling of 254042420543 in words is "two hundred fifty-four billion, forty-two million, four hundred twenty thousand, five hundred forty-three".