4379646459 has 4 divisors (see below), whose sum is σ = 5839528616. Its totient is φ = 2919764304.

The previous prime is 4379646457. The next prime is 4379646473. The reversal of 4379646459 is 9546469734.

It is a happy number.

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

It is not a de Polignac number, because 4379646459 - 2¹ = 4379646457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4379646399 and 4379646408.

It is not an unprimeable number, because it can be changed into a prime (4379646457) 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, 729941074 + ... + 729941079.

It is an arithmetic number, because the mean of its divisors is an integer number (1459882154).

Almost surely, 2^4379646459 is an apocalyptic number.

4379646459 is a deficient number, since it is larger than the sum of its proper divisors (1459882157).

4379646459 is a wasteful number, since it uses less digits than its factorization.

4379646459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459882156.

The product of its digits is 19595520, while the sum is 57.

The square root of 4379646459 is about 66178.8973842871. The cubic root of 4379646459 is about 1636.1119550191. Note that the first 3 decimals are identical.

The spelling of 4379646459 in words is "four billion, three hundred seventy-nine million, six hundred forty-six thousand, four hundred fifty-nine".