5108389729 has 3 divisors (see below), whose sum is σ = 5108461203. Its totient is φ = 5108318256.

The previous prime is 5108389709. The next prime is 5108389753. The reversal of 5108389729 is 9279838015.

The square root of 5108389729 is 71473.

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 can be written as a sum of positive squares in only one way, i.e., 4470928225 + 637461504 = 66865^2 + 25248^2 .

It is not a de Polignac number, because 5108389729 - 2¹⁵ = 5108356961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5108389709) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35737 + ... + 107209.

It is an arithmetic number, because the mean of its divisors is an integer number (1702820401).

Almost surely, 2^5108389729 is an apocalyptic number.

5108389729 is the 71473-rd square number.

5108389729 is the 35737-th centered octagonal number.

It is an amenable number.

5108389729 is a deficient number, since it is larger than the sum of its proper divisors (71474).

5108389729 is an frugal number, since it uses more digits than its factorization.

5108389729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142946 (or 71473 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The cubic root of 5108389729 is about 1722.2439758983.

The spelling of 5108389729 in words is "five billion, one hundred eight million, three hundred eighty-nine thousand, seven hundred twenty-nine".