2493194849 has 4 divisors (see below), whose sum is σ = 2498534064. Its totient is φ = 2487855636.

The previous prime is 2493194843. The next prime is 2493194861. The reversal of 2493194849 is 9484913942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2493194849 - 2¹² = 2493190753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2493194849.

It is not an unprimeable number, because it can be changed into a prime (2493194843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668907 + ... + 2669840.

It is an arithmetic number, because the mean of its divisors is an integer number (624633516).

Almost surely, 2^2493194849 is an apocalyptic number.

It is an amenable number.

2493194849 is a deficient number, since it is larger than the sum of its proper divisors (5339215).

2493194849 is an equidigital number, since it uses as much as digits as its factorization.

2493194849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339214.

The product of its digits is 2239488, while the sum is 53.

The square root of 2493194849 is about 49931.9021167830. The cubic root of 2493194849 is about 1355.9762211106.

The spelling of 2493194849 in words is "two billion, four hundred ninety-three million, one hundred ninety-four thousand, eight hundred forty-nine".