2493244645 has 8 divisors (see below), whose sum is σ = 3064866840. Its totient is φ = 1945946880.

The previous prime is 2493244631. The next prime is 2493244651. The reversal of 2493244645 is 5464423942.

It can be written as a sum of positive squares in 4 ways, for example, as 30008484 + 2463236161 = 5478^2 + 49631^2 .

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

It is not a de Polignac number, because 2493244645 - 2⁵ = 2493244613 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6080880 + ... + 6081289.

It is an arithmetic number, because the mean of its divisors is an integer number (383108355).

Almost surely, 2^2493244645 is an apocalyptic number.

It is an amenable number.

2493244645 is a deficient number, since it is larger than the sum of its proper divisors (571622195).

2493244645 is a wasteful number, since it uses less digits than its factorization.

2493244645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162215.

The product of its digits is 829440, while the sum is 43.

The square root of 2493244645 is about 49932.4007534186. The cubic root of 2493244645 is about 1355.9852485829.

The spelling of 2493244645 in words is "two billion, four hundred ninety-three million, two hundred forty-four thousand, six hundred forty-five".