5254423729 has 4 divisors (see below), whose sum is σ = 5254597476. Its totient is φ = 5254249984.

The previous prime is 5254423721. The next prime is 5254423753. The reversal of 5254423729 is 9273244525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3887273104 + 1367150625 = 62348^2 + 36975^2 .

It is a cyclic number.

It is not a de Polignac number, because 5254423729 - 2³ = 5254423721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5254423721) 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 3 ways as a sum of consecutive naturals, for example, 28384 + ... + 106369.

It is an arithmetic number, because the mean of its divisors is an integer number (1313649369).

Almost surely, 2^5254423729 is an apocalyptic number.

It is an amenable number.

5254423729 is a deficient number, since it is larger than the sum of its proper divisors (173747).

5254423729 is a wasteful number, since it uses less digits than its factorization.

5254423729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173746.

The product of its digits is 604800, while the sum is 43.

The square root of 5254423729 is about 72487.4039333731. The cubic root of 5254423729 is about 1738.5013441236.

The spelling of 5254423729 in words is "five billion, two hundred fifty-four million, four hundred twenty-three thousand, seven hundred twenty-nine".