849926563 has 4 divisors (see below), whose sum is σ = 894659560. Its totient is φ = 805193568.

The previous prime is 849926551. The next prime is 849926591. The reversal of 849926563 is 365629948.

849926563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 849926563 - 2¹⁷ = 849795491 is a prime.

It is the 29154-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 849926563.

It is not an unprimeable number, because it can be changed into a prime (849926503) by changing a digit.

It is a nontrivial repunit in base 29153.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22366470 + ... + 22366507.

It is an arithmetic number, because the mean of its divisors is an integer number (223664890).

Almost surely, 2^849926563 is an apocalyptic number.

849926563 is a deficient number, since it is larger than the sum of its proper divisors (44732997).

849926563 is a wasteful number, since it uses less digits than its factorization.

849926563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44732996.

The product of its digits is 2799360, while the sum is 52.

The square root of 849926563 is about 29153.5000128629. The cubic root of 849926563 is about 947.2409561894.

The spelling of 849926563 in words is "eight hundred forty-nine million, nine hundred twenty-six thousand, five hundred sixty-three".