5116721829 has 16 divisors (see below), whose sum is σ = 7227247680. Its totient is φ = 3208874240.

The previous prime is 5116721809. The next prime is 5116721837. The reversal of 5116721829 is 9281276115.

It is a cyclic number.

It is not a de Polignac number, because 5116721829 - 2⁸ = 5116721573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5116721809) 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 15 ways as a sum of consecutive naturals, for example, 81274 + ... + 129764.

It is an arithmetic number, because the mean of its divisors is an integer number (451702980).

Almost surely, 2^5116721829 is an apocalyptic number.

It is an amenable number.

5116721829 is a deficient number, since it is larger than the sum of its proper divisors (2110525851).

5116721829 is a wasteful number, since it uses less digits than its factorization.

5116721829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50580.

The product of its digits is 60480, while the sum is 42.

The square root of 5116721829 is about 71531.2646959356. The cubic root of 5116721829 is about 1723.1798294641.

The spelling of 5116721829 in words is "five billion, one hundred sixteen million, seven hundred twenty-one thousand, eight hundred twenty-nine".