494351489 has 8 divisors (see below), whose sum is σ = 516870720. Its totient is φ = 471917776.

The previous prime is 494351441. The next prime is 494351531. The reversal of 494351489 is 984153494.

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 494351489 - 2⁸ = 494351233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494351419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9407 + ... + 32820.

It is an arithmetic number, because the mean of its divisors is an integer number (64608840).

Almost surely, 2^494351489 is an apocalyptic number.

It is an amenable number.

494351489 is a deficient number, since it is larger than the sum of its proper divisors (22519231).

494351489 is a wasteful number, since it uses less digits than its factorization.

494351489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42759.

The product of its digits is 622080, while the sum is 47.

The square root of 494351489 is about 22234.0164837575. The cubic root of 494351489 is about 790.7003824639.

The spelling of 494351489 in words is "four hundred ninety-four million, three hundred fifty-one thousand, four hundred eighty-nine".