4961511844 has 27 divisors (see below), whose sum is σ = 8909955201. Its totient is φ = 2417432160.

The previous prime is 4961511811. The next prime is 4961511851. The reversal of 4961511844 is 4481151694.

The square root of 4961511844 is 70438.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 239073444 + 4722438400 = 15462^2 + 68720^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4961511844.

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 8 ways as a sum of consecutive naturals, for example, 5775487 + ... + 5776345.

Almost surely, 2^4961511844 is an apocalyptic number.

4961511844 is the 70438-th square number.

It is an amenable number.

4961511844 is a deficient number, since it is larger than the sum of its proper divisors (3948443357).

4961511844 is an frugal number, since it uses more digits than its factorization.

4961511844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 902 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The cubic root of 4961511844 is about 1705.5770522060.

The spelling of 4961511844 in words is "four billion, nine hundred sixty-one million, five hundred eleven thousand, eight hundred forty-four".