2493493256 has 32 divisors (see below), whose sum is σ = 4817111040. Its totient is φ = 1209401088.

The previous prime is 2493493201. The next prime is 2493493259. The reversal of 2493493256 is 6523943942.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 2493493256.

It is not an unprimeable number, because it can be changed into a prime (2493493259) 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 7 ways as a sum of consecutive naturals, for example, 13145 + ... + 71831.

It is an arithmetic number, because the mean of its divisors is an integer number (150534720).

Almost surely, 2^2493493256 is an apocalyptic number.

It is an amenable number.

2493493256 is a deficient number, since it is larger than the sum of its proper divisors (2323617784).

2493493256 is a wasteful number, since it uses less digits than its factorization.

2493493256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58853 (or 58849 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 47.

The square root of 2493493256 is about 49934.8901670966. The cubic root of 2493493256 is about 1356.0303172507.

The spelling of 2493493256 in words is "two billion, four hundred ninety-three million, four hundred ninety-three thousand, two hundred fifty-six".