493142919 has 16 divisors (see below), whose sum is σ = 715020768. Its totient is φ = 301059072.

The previous prime is 493142911. The next prime is 493142989. The reversal of 493142919 is 919241394.

It is not a de Polignac number, because 493142919 - 2³ = 493142911 is a prime.

It is a super-2 number, since 2×493142919² = 486379877119681122, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 128782 + ... + 132555.

It is an arithmetic number, because the mean of its divisors is an integer number (44688798).

Almost surely, 2^493142919 is an apocalyptic number.

493142919 is a deficient number, since it is larger than the sum of its proper divisors (221877849).

493142919 is a wasteful number, since it uses less digits than its factorization.

493142919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261394.

The product of its digits is 69984, while the sum is 42.

The square root of 493142919 is about 22206.8214519773. The cubic root of 493142919 is about 790.0554994925.

The spelling of 493142919 in words is "four hundred ninety-three million, one hundred forty-two thousand, nine hundred nineteen".