2491016744 has 16 divisors (see below), whose sum is σ = 4673157300. Its totient is φ = 1244841472.

The previous prime is 2491016711. The next prime is 2491016767. The reversal of 2491016744 is 4476101942.

It can be written as a sum of positive squares in 2 ways, for example, as 2146468900 + 344547844 = 46330^2 + 18562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2491016698 and 2491016707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67307 + ... + 97530.

Almost surely, 2^2491016744 is an apocalyptic number.

It is an amenable number.

2491016744 is a deficient number, since it is larger than the sum of its proper divisors (2182140556).

2491016744 is a wasteful number, since it uses less digits than its factorization.

2491016744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166732 (or 166728 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2491016744 is about 49910.0865957974. The cubic root of 2491016744 is about 1355.5812367297.

The spelling of 2491016744 in words is "two billion, four hundred ninety-one million, sixteen thousand, seven hundred forty-four".