5039722081 has 3 divisors (see below), whose sum is σ = 5039793073. Its totient is φ = 5039651090.

The previous prime is 5039722067. The next prime is 5039722153. The reversal of 5039722081 is 1802279305.

The square root of 5039722081 is 70991.

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.

It is a de Polignac number, because none of the positive numbers 2^k-5039722081 is a prime.

It is a super-2 number, since 2×5039722081² = 50797597307437941122, which contains 22 as substring.

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 5039722081.

It is not an unprimeable number, because it can be changed into a prime (5039722021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35496 + ... + 106486.

Almost surely, 2^5039722081 is an apocalyptic number.

5039722081 is the 70991-st square number.

5039722081 is the 35496-th centered octagonal number.

It is an amenable number.

5039722081 is a deficient number, since it is larger than the sum of its proper divisors (70992).

5039722081 is an frugal number, since it uses more digits than its factorization.

5039722081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141982 (or 70991 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The cubic root of 5039722081 is about 1714.4922614169.

The spelling of 5039722081 in words is "five billion, thirty-nine million, seven hundred twenty-two thousand, eighty-one".