859316949043 has 32 divisors (see below), whose sum is σ = 997046994944. Its totient is φ = 725412713472.

The previous prime is 859316949041. The next prime is 859316949047. The reversal of 859316949043 is 340949613958.

It is a 12-Lehmer number, since φ(859316949043) divides (859316949043-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 859316949043 - 2¹ = 859316949041 is a prime.

It is the 926994-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (859316949041) by changing a digit.

It is a nontrivial repunit in base 926993.

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 31 ways as a sum of consecutive naturals, for example, 123337546 + ... + 123344512.

It is an arithmetic number, because the mean of its divisors is an integer number (31157718592).

Almost surely, 2^859316949043 is an apocalyptic number.

859316949043 is a deficient number, since it is larger than the sum of its proper divisors (137730045901).

859316949043 is a wasteful number, since it uses less digits than its factorization.

859316949043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 859316949043 in words is "eight hundred fifty-nine billion, three hundred sixteen million, nine hundred forty-nine thousand, forty-three".