4323725509 has 4 divisors (see below), whose sum is σ = 4348718316. Its totient is φ = 4298732704.

The previous prime is 4323725503. The next prime is 4323725533. The reversal of 4323725509 is 9055273234.

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 3431030625 + 892694884 = 58575^2 + 29878^2 .

It is a cyclic number.

It is not a de Polignac number, because 4323725509 - 2⁵ = 4323725477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323725503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12496144 + ... + 12496489.

It is an arithmetic number, because the mean of its divisors is an integer number (1087179579).

Almost surely, 2^4323725509 is an apocalyptic number.

It is an amenable number.

4323725509 is a deficient number, since it is larger than the sum of its proper divisors (24992807).

4323725509 is a wasteful number, since it uses less digits than its factorization.

4323725509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24992806.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 4323725509 is about 65755.0417002377. The cubic root of 4323725509 is about 1629.1186107748.

It can be divided in two parts, 4323725 and 509, that added together give a palindrome (4324234).

The spelling of 4323725509 in words is "four billion, three hundred twenty-three million, seven hundred twenty-five thousand, five hundred nine".