544680859 has 4 divisors (see below), whose sum is σ = 557965800. Its totient is φ = 531395920.

The previous prime is 544680827. The next prime is 544680863. The reversal of 544680859 is 958086445.

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 544680859 - 2⁵ = 544680827 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544680869) 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, 6642409 + ... + 6642490.

It is an arithmetic number, because the mean of its divisors is an integer number (139491450).

Almost surely, 2^544680859 is an apocalyptic number.

544680859 is a deficient number, since it is larger than the sum of its proper divisors (13284941).

544680859 is a wasteful number, since it uses less digits than its factorization.

544680859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284940.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 544680859 is about 23338.3988096870. The cubic root of 544680859 is about 816.6714459991.

The spelling of 544680859 in words is "five hundred forty-four million, six hundred eighty thousand, eight hundred fifty-nine".