5011648849 has 3 divisors (see below), whose sum is σ = 5011719643. Its totient is φ = 5011578056.

The previous prime is 5011648819. The next prime is 5011648877. The reversal of 5011648849 is 9488461105.

The square root of 5011648849 is 70793.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9488461105 = 5 ⋅1897692221.

It can be written as a sum of positive squares in only one way, i.e., 135140625 + 4876508224 = 11625^2 + 69832^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5011648849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5011648799 and 5011648808.

It is not an unprimeable number, because it can be changed into a prime (5011648819) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 35397 + ... + 106189.

Almost surely, 2^5011648849 is an apocalyptic number.

5011648849 is the 70793-rd square number.

5011648849 is the 35397-th centered octagonal number.

It is an amenable number.

5011648849 is a deficient number, since it is larger than the sum of its proper divisors (70794).

5011648849 is an frugal number, since it uses more digits than its factorization.

5011648849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141586 (or 70793 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The cubic root of 5011648849 is about 1711.3028668432.

The spelling of 5011648849 in words is "five billion, eleven million, six hundred forty-eight thousand, eight hundred forty-nine".