493142918 has 8 divisors (see below), whose sum is σ = 740080848. Its totient is φ = 246449304.

The previous prime is 493142911. The next prime is 493142989. The reversal of 493142918 is 819241394.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493142911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55946 + ... + 64157.

It is an arithmetic number, because the mean of its divisors is an integer number (92510106).

Almost surely, 2^493142918 is an apocalyptic number.

493142918 is a deficient number, since it is larger than the sum of its proper divisors (246937930).

493142918 is a wasteful number, since it uses less digits than its factorization.

493142918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122158.

The product of its digits is 62208, while the sum is 41.

The square root of 493142918 is about 22206.8214294617. The cubic root of 493142918 is about 790.0554989585.

The spelling of 493142918 in words is "four hundred ninety-three million, one hundred forty-two thousand, nine hundred eighteen".