4321493859 has 4 divisors (see below), whose sum is σ = 5761991816. Its totient is φ = 2880995904.

The previous prime is 4321493833. The next prime is 4321493863. The reversal of 4321493859 is 9583941234.

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

It is not a de Polignac number, because 4321493859 - 2¹⁵ = 4321461091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321491859) 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, 720248974 + ... + 720248979.

It is an arithmetic number, because the mean of its divisors is an integer number (1440497954).

Almost surely, 2^4321493859 is an apocalyptic number.

4321493859 is a deficient number, since it is larger than the sum of its proper divisors (1440497957).

4321493859 is a wasteful number, since it uses less digits than its factorization.

4321493859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440497956.

The product of its digits is 933120, while the sum is 48.

The square root of 4321493859 is about 65738.0700888001. The cubic root of 4321493859 is about 1628.8382778215.

The spelling of 4321493859 in words is "four billion, three hundred twenty-one million, four hundred ninety-three thousand, eight hundred fifty-nine".