494781043 has 2 divisors, whose sum is σ = 494781044. Its totient is φ = 494781042.

The previous prime is 494781019. The next prime is 494781047. The reversal of 494781043 is 340187494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494781043 - 2¹³ = 494772851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494780987 and 494781005.

It is not a weakly prime, because it can be changed into another prime (494781047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247390521 + 247390522.

It is an arithmetic number, because the mean of its divisors is an integer number (247390522).

Almost surely, 2^494781043 is an apocalyptic number.

494781043 is a deficient number, since it is larger than the sum of its proper divisors (1).

494781043 is an equidigital number, since it uses as much as digits as its factorization.

494781043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 494781043 is about 22243.6742243722. The cubic root of 494781043 is about 790.9293357429.

The spelling of 494781043 in words is "four hundred ninety-four million, seven hundred eighty-one thousand, forty-three".