859342649 has 8 divisors (see below), whose sum is σ = 962802048. Its totient is φ = 760106160.

The previous prime is 859342613. The next prime is 859342709. The reversal of 859342649 is 946243958.

859342649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 859342649 - 2²⁸ = 590907193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 859342597 and 859342606.

It is not an unprimeable number, because it can be changed into a prime (859342049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055297 + ... + 1056110.

It is an arithmetic number, because the mean of its divisors is an integer number (120350256).

Almost surely, 2^859342649 is an apocalyptic number.

It is an amenable number.

859342649 is a deficient number, since it is larger than the sum of its proper divisors (103459399).

859342649 is a wasteful number, since it uses less digits than its factorization.

859342649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111455.

The product of its digits is 1866240, while the sum is 50.

The square root of 859342649 is about 29314.5467131934. The cubic root of 859342649 is about 950.7261849252.

The spelling of 859342649 in words is "eight hundred fifty-nine million, three hundred forty-two thousand, six hundred forty-nine".