4991549306 has 36 divisors (see below), whose sum is σ = 7914106746. Its totient is φ = 2359430640.

The previous prime is 4991549291. The next prime is 4991549317. The reversal of 4991549306 is 6039451994.

It can be written as a sum of positive squares in only one way, i.e., 3305215081 + 1686334225 = 57491^2 + 41065^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26133671 + ... + 26133861.

Almost surely, 2^4991549306 is an apocalyptic number.

4991549306 is a deficient number, since it is larger than the sum of its proper divisors (2922557440).

4991549306 is an equidigital number, since it uses as much as digits as its factorization.

4991549306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 4991549306 is about 70650.8974182211. The cubic root of 4991549306 is about 1709.0120378612.

The spelling of 4991549306 in words is "four billion, nine hundred ninety-one million, five hundred forty-nine thousand, three hundred six".