5147506729 has 2 divisors, whose sum is σ = 5147506730. Its totient is φ = 5147506728.

The previous prime is 5147506681. The next prime is 5147506811. The reversal of 5147506729 is 9276057415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4283440704 + 864066025 = 65448^2 + 29395^2 .

It is a cyclic number.

It is not a de Polignac number, because 5147506729 - 2⁷ = 5147506601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5147506829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573753364 + 2573753365.

It is an arithmetic number, because the mean of its divisors is an integer number (2573753365).

Almost surely, 2^5147506729 is an apocalyptic number.

It is an amenable number.

5147506729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147506729 is an equidigital number, since it uses as much as digits as its factorization.

5147506729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 5147506729 is about 71746.1269268244. The cubic root of 5147506729 is about 1726.6287750058.

The spelling of 5147506729 in words is "five billion, one hundred forty-seven million, five hundred six thousand, seven hundred twenty-nine".