494675129 has 32 divisors (see below), whose sum is σ = 580517280. Its totient is φ = 417411072.

The previous prime is 494675117. The next prime is 494675131. The reversal of 494675129 is 921576494.

It can be written as a sum of positive squares in 16 ways, for example, as 203119504 + 291555625 = 14252^2 + 17075^2 .

It is a de Polignac number, because none of the positive numbers 2^k-494675129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494675149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1838807 + ... + 1839075.

It is an arithmetic number, because the mean of its divisors is an integer number (18141165).

Almost surely, 2^494675129 is an apocalyptic number.

It is an amenable number.

494675129 is a deficient number, since it is larger than the sum of its proper divisors (85842151).

494675129 is a wasteful number, since it uses less digits than its factorization.

494675129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 544320, while the sum is 47.

The square root of 494675129 is about 22241.2933302000. The cubic root of 494675129 is about 790.8728956476.

The spelling of 494675129 in words is "four hundred ninety-four million, six hundred seventy-five thousand, one hundred twenty-nine".