2493843491 has 8 divisors (see below), whose sum is σ = 2555373744. Its totient is φ = 2432346880.

The previous prime is 2493843479. The next prime is 2493843497. The reversal of 2493843491 is 1943483942.

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 2493843491 - 2¹⁴ = 2493827107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493843497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211436 + ... + 222918.

It is an arithmetic number, because the mean of its divisors is an integer number (319421718).

Almost surely, 2^2493843491 is an apocalyptic number.

2493843491 is a deficient number, since it is larger than the sum of its proper divisors (61530253).

2493843491 is a wasteful number, since it uses less digits than its factorization.

2493843491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16821.

The product of its digits is 746496, while the sum is 47.

The square root of 2493843491 is about 49938.3969606554. The cubic root of 2493843491 is about 1356.0938034252.

The spelling of 2493843491 in words is "two billion, four hundred ninety-three million, eight hundred forty-three thousand, four hundred ninety-one".