5047730081 has 4 divisors (see below), whose sum is σ = 5050234692. Its totient is φ = 5045225472.

The previous prime is 5047730041. The next prime is 5047730087. The reversal of 5047730081 is 1800377405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2151568225 + 2896161856 = 46385^2 + 53816^2 .

It is a cyclic number.

It is not a de Polignac number, because 5047730081 - 2¹⁸ = 5047467937 is a prime.

It is a super-2 number, since 2×5047730081² = 50959157941264533122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5047730087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1249280 + ... + 1253313.

It is an arithmetic number, because the mean of its divisors is an integer number (1262558673).

Almost surely, 2^5047730081 is an apocalyptic number.

It is an amenable number.

5047730081 is a deficient number, since it is larger than the sum of its proper divisors (2504611).

5047730081 is a wasteful number, since it uses less digits than its factorization.

5047730081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504610.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 5047730081 is about 71047.3791282972. The cubic root of 5047730081 is about 1715.3998768362.

The spelling of 5047730081 in words is "five billion, forty-seven million, seven hundred thirty thousand, eighty-one".