6459858859 has 4 divisors (see below), whose sum is σ = 6466077280. Its totient is φ = 6453640440.

The previous prime is 6459858857. The next prime is 6459858893. The reversal of 6459858859 is 9588589546.

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

It is a cyclic number.

It is not a de Polignac number, because 6459858859 - 2¹ = 6459858857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6459858794 and 6459858803.

It is not an unprimeable number, because it can be changed into a prime (6459858857) 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, 3107652 + ... + 3109729.

It is an arithmetic number, because the mean of its divisors is an integer number (1616519320).

Almost surely, 2^6459858859 is an apocalyptic number.

6459858859 is a deficient number, since it is larger than the sum of its proper divisors (6218421).

6459858859 is a wasteful number, since it uses less digits than its factorization.

6459858859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218420.

The product of its digits is 124416000, while the sum is 67.

The square root of 6459858859 is about 80373.2471597359. The cubic root of 6459858859 is about 1862.4059183683.

The spelling of 6459858859 in words is "six billion, four hundred fifty-nine million, eight hundred fifty-eight thousand, eight hundred fifty-nine".