494443749 has 8 divisors (see below), whose sum is σ = 659770272. Its totient is φ = 329373200.

The previous prime is 494443727. The next prime is 494443751. The reversal of 494443749 is 947344494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494443749 - 2⁸ = 494443493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 494443698 and 494443707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494443349) 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 7 ways as a sum of consecutive naturals, for example, 59439 + ... + 67244.

It is an arithmetic number, because the mean of its divisors is an integer number (82471284).

Almost surely, 2^494443749 is an apocalyptic number.

It is an amenable number.

494443749 is a deficient number, since it is larger than the sum of its proper divisors (165326523).

494443749 is a wasteful number, since it uses less digits than its factorization.

494443749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127987.

The product of its digits is 1741824, while the sum is 48.

The square root of 494443749 is about 22236.0911358089. The cubic root of 494443749 is about 790.7495684386.

The spelling of 494443749 in words is "four hundred ninety-four million, four hundred forty-three thousand, seven hundred forty-nine".