494066543 has 4 divisors (see below), whose sum is σ = 494196408. Its totient is φ = 493936680.

The previous prime is 494066537. The next prime is 494066569. The reversal of 494066543 is 345660494.

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

It is a cyclic number.

It is not a de Polignac number, because 494066543 - 2⁴ = 494066527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494066543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494060543) 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, 59048 + ... + 66893.

It is an arithmetic number, because the mean of its divisors is an integer number (123549102).

Almost surely, 2^494066543 is an apocalyptic number.

494066543 is a deficient number, since it is larger than the sum of its proper divisors (129865).

494066543 is a wasteful number, since it uses less digits than its factorization.

494066543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129864.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 494066543 is about 22227.6076760411. The cubic root of 494066543 is about 790.5484324045.

The spelling of 494066543 in words is "four hundred ninety-four million, sixty-six thousand, five hundred forty-three".