494811729 has 12 divisors (see below), whose sum is σ = 716649076. Its totient is φ = 328987872.

The previous prime is 494811697. The next prime is 494811731. The reversal of 494811729 is 927118494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 313290000 + 181521729 = 17700^2 + 13473^2 .

It is not a de Polignac number, because 494811729 - 2⁵ = 494811697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494811799) 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 in 11 ways as a sum of consecutive naturals, for example, 70342 + ... + 77055.

Almost surely, 2^494811729 is an apocalyptic number.

It is an amenable number.

494811729 is a deficient number, since it is larger than the sum of its proper divisors (221837347).

494811729 is a wasteful number, since it uses less digits than its factorization.

494811729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147776 (or 147773 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 494811729 is about 22244.3639828160. The cubic root of 494811729 is about 790.9456863801.

The spelling of 494811729 in words is "four hundred ninety-four million, eight hundred eleven thousand, seven hundred twenty-nine".