5100730729 has 2 divisors, whose sum is σ = 5100730730. Its totient is φ = 5100730728.

The previous prime is 5100730727. The next prime is 5100730751. The reversal of 5100730729 is 9270370015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326636329 + 1774094400 = 57677^2 + 42120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100730729 - 2¹ = 5100730727 is a prime.

Together with 5100730727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5100730694 and 5100730703.

It is not a weakly prime, because it can be changed into another prime (5100730727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550365364 + 2550365365.

It is an arithmetic number, because the mean of its divisors is an integer number (2550365365).

Almost surely, 2^5100730729 is an apocalyptic number.

It is an amenable number.

5100730729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100730729 is an equidigital number, since it uses as much as digits as its factorization.

5100730729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 5100730729 is about 71419.4002285093. The cubic root of 5100730729 is about 1721.3828262304.

The spelling of 5100730729 in words is "five billion, one hundred million, seven hundred thirty thousand, seven hundred twenty-nine".