494633543 has 2 divisors, whose sum is σ = 494633544. Its totient is φ = 494633542.

The previous prime is 494633533. The next prime is 494633563. The reversal of 494633543 is 345336494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494633543 - 2¹⁰ = 494632519 is a prime.

It is a Sophie Germain prime.

It is equal to p_26087819 and since 494633543 and 26087819 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494633543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494633533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247316771 + 247316772.

It is an arithmetic number, because the mean of its divisors is an integer number (247316772).

Almost surely, 2^494633543 is an apocalyptic number.

494633543 is a deficient number, since it is larger than the sum of its proper divisors (1).

494633543 is an equidigital number, since it uses as much as digits as its factorization.

494633543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 41.

The square root of 494633543 is about 22240.3584278671. The cubic root of 494633543 is about 790.8507328448.

The spelling of 494633543 in words is "four hundred ninety-four million, six hundred thirty-three thousand, five hundred forty-three".