4323728613 has 4 divisors (see below), whose sum is σ = 5764971488. Its totient is φ = 2882485740.

The previous prime is 4323728603. The next prime is 4323728657. The reversal of 4323728613 is 3168273234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4323728613 - 2¹⁴ = 4323712229 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 (4323728603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720621433 + ... + 720621438.

It is an arithmetic number, because the mean of its divisors is an integer number (1441242872).

Almost surely, 2^4323728613 is an apocalyptic number.

It is an amenable number.

4323728613 is a deficient number, since it is larger than the sum of its proper divisors (1441242875).

4323728613 is a wasteful number, since it uses less digits than its factorization.

4323728613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441242874.

The product of its digits is 145152, while the sum is 39.

The square root of 4323728613 is about 65755.0653029864. The cubic root of 4323728613 is about 1629.1190006225.

The spelling of 4323728613 in words is "four billion, three hundred twenty-three million, seven hundred twenty-eight thousand, six hundred thirteen".