493795491 has 16 divisors (see below), whose sum is σ = 767808000. Its totient is φ = 282168264.

The previous prime is 493795483. The next prime is 493795501. The reversal of 493795491 is 194597394.

It is not a de Polignac number, because 493795491 - 2³ = 493795483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493795411) 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 15 ways as a sum of consecutive naturals, for example, 238911 + ... + 240968.

It is an arithmetic number, because the mean of its divisors is an integer number (47988000).

Almost surely, 2^493795491 is an apocalyptic number.

493795491 is a deficient number, since it is larger than the sum of its proper divisors (274012509).

493795491 is an equidigital number, since it uses as much as digits as its factorization.

493795491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479903 (or 479889 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The square root of 493795491 is about 22221.5096471864. The cubic root of 493795491 is about 790.4038372183.

The spelling of 493795491 in words is "four hundred ninety-three million, seven hundred ninety-five thousand, four hundred ninety-one".