494865479 has 2 divisors, whose sum is σ = 494865480. Its totient is φ = 494865478.

The previous prime is 494865473. The next prime is 494865487. The reversal of 494865479 is 974568494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494865479 - 2⁴ = 494865463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494865473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247432739 + 247432740.

It is an arithmetic number, because the mean of its divisors is an integer number (247432740).

Almost surely, 2^494865479 is an apocalyptic number.

494865479 is a deficient number, since it is larger than the sum of its proper divisors (1).

494865479 is an equidigital number, since it uses as much as digits as its factorization.

494865479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The square root of 494865479 is about 22245.5721212110. The cubic root of 494865479 is about 790.9743247415.

The spelling of 494865479 in words is "four hundred ninety-four million, eight hundred sixty-five thousand, four hundred seventy-nine".