2005783124494 has 4 divisors (see below), whose sum is σ = 3008674686744. Its totient is φ = 1002891562246.

The previous prime is 2005783124479. The next prime is 2005783124497. The reversal of 2005783124494 is 4944213875002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005783124497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501445781122 + ... + 501445781125.

It is an arithmetic number, because the mean of its divisors is an integer number (752168671686).

Almost surely, 2^{2005783124494} is an apocalyptic number.

2005783124494 is a deficient number, since it is larger than the sum of its proper divisors (1002891562250).

2005783124494 is a wasteful number, since it uses less digits than its factorization.

2005783124494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002891562249.

The product of its (nonzero) digits is 1935360, while the sum is 49.

Adding to 2005783124494 its reverse (4944213875002), we get a palindrome (6949996999496).

The spelling of 2005783124494 in words is "two trillion, five billion, seven hundred eighty-three million, one hundred twenty-four thousand, four hundred ninety-four".