869032114561 has 4 divisors (see below), whose sum is σ = 935880738772. Its totient is φ = 802183490352.

The previous prime is 869032114549. The next prime is 869032114583. The reversal of 869032114561 is 165411230968.

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 375885479025 + 493146635536 = 613095^2 + 702244^2 .

It is a cyclic number.

It is not a de Polignac number, because 869032114561 - 2¹¹ = 869032112513 is a prime.

It is a super-2 number, since 2×869032114561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869032154561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33424312086 + ... + 33424312111.

It is an arithmetic number, because the mean of its divisors is an integer number (233970184693).

Almost surely, 2^869032114561 is an apocalyptic number.

It is an amenable number.

869032114561 is a deficient number, since it is larger than the sum of its proper divisors (66848624211).

869032114561 is a wasteful number, since it uses less digits than its factorization.

869032114561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66848624210.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 869032114561 in words is "eight hundred sixty-nine billion, thirty-two million, one hundred fourteen thousand, five hundred sixty-one".