254142454493 has 4 divisors (see below), whose sum is σ = 255848108700. Its totient is φ = 252436800288.

The previous prime is 254142454487. The next prime is 254142454523. The reversal of 254142454493 is 394454241452.

254142454493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169314144484 + 84828310009 = 411478^2 + 291253^2 .

It is a cyclic number.

It is not a de Polignac number, because 254142454493 - 2²⁸ = 253874019037 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 (254142454403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852826880 + ... + 852827177.

It is an arithmetic number, because the mean of its divisors is an integer number (63962027175).

Almost surely, 2^254142454493 is an apocalyptic number.

It is an amenable number.

254142454493 is a deficient number, since it is larger than the sum of its proper divisors (1705654207).

254142454493 is a wasteful number, since it uses less digits than its factorization.

254142454493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705654206.

The product of its digits is 2764800, while the sum is 47.

The spelling of 254142454493 in words is "two hundred fifty-four billion, one hundred forty-two million, four hundred fifty-four thousand, four hundred ninety-three".