494802989867 has 2 divisors, whose sum is σ = 494802989868. Its totient is φ = 494802989866.

The previous prime is 494802989843. The next prime is 494802989899. The reversal of 494802989867 is 768989208494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494802989867 - 2²⁴ = 494786212651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494802989794 and 494802989803.

It is not a weakly prime, because it can be changed into another prime (494802989167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247401494933 + 247401494934.

It is an arithmetic number, because the mean of its divisors is an integer number (247401494934).

Almost surely, 2^494802989867 is an apocalyptic number.

494802989867 is a deficient number, since it is larger than the sum of its proper divisors (1).

494802989867 is an equidigital number, since it uses as much as digits as its factorization.

494802989867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501645312, while the sum is 74.

The spelling of 494802989867 in words is "four hundred ninety-four billion, eight hundred two million, nine hundred eighty-nine thousand, eight hundred sixty-seven".