2089867853 has 4 divisors (see below), whose sum is σ = 2101948188. Its totient is φ = 2077787520.

The previous prime is 2089867847. The next prime is 2089867877. The reversal of 2089867853 is 3587689802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1730310409 + 359557444 = 41597^2 + 18962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089867853 - 2⁶ = 2089867789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089867253) 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, 6039908 + ... + 6040253.

It is an arithmetic number, because the mean of its divisors is an integer number (525487047).

Almost surely, 2^2089867853 is an apocalyptic number.

It is an amenable number.

2089867853 is a deficient number, since it is larger than the sum of its proper divisors (12080335).

2089867853 is a wasteful number, since it uses less digits than its factorization.

2089867853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080334.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 2089867853 is about 45715.0724925598. The cubic root of 2089867853 is about 1278.5163173869.

The spelling of 2089867853 in words is "two billion, eighty-nine million, eight hundred sixty-seven thousand, eight hundred fifty-three".