457281068543 has 4 divisors (see below), whose sum is σ = 492456535368. Its totient is φ = 422105601720.

The previous prime is 457281068509. The next prime is 457281068581. The reversal of 457281068543 is 345860182754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345860182754 = 2 ⋅172930091377.

It is a cyclic number.

It is not a de Polignac number, because 457281068543 - 2¹² = 457281064447 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 (457281068143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17587733393 + ... + 17587733418.

It is an arithmetic number, because the mean of its divisors is an integer number (123114133842).

Almost surely, 2^457281068543 is an apocalyptic number.

457281068543 is a deficient number, since it is larger than the sum of its proper divisors (35175466825).

457281068543 is a wasteful number, since it uses less digits than its factorization.

457281068543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35175466824.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 457281068543 in words is "four hundred fifty-seven billion, two hundred eighty-one million, sixty-eight thousand, five hundred forty-three".