859353102169 has 3 divisors (see below), whose sum is σ = 859354029183. Its totient is φ = 859352175156.

The previous prime is 859353102163. The next prime is 859353102227. The reversal of 859353102169 is 961201353958.

The square root of 859353102169 is 927013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 62282689225 + 797070412944 = 249565^2 + 892788^2 .

It is not a de Polignac number, because 859353102169 - 2¹¹ = 859353100121 is a prime.

It is a super-2 number, since 2×859353102169² (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 (859353102163) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 463507 + ... + 1390519.

It is an arithmetic number, because the mean of its divisors is an integer number (286451343061).

Almost surely, 2^859353102169 is an apocalyptic number.

859353102169 is the 927013-rd square number.

859353102169 is the 463507-th centered octagonal number.

It is an amenable number.

859353102169 is a deficient number, since it is larger than the sum of its proper divisors (927014).

859353102169 is an frugal number, since it uses more digits than its factorization.

859353102169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854026 (or 927013 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 859353102169 in words is "eight hundred fifty-nine billion, three hundred fifty-three million, one hundred two thousand, one hundred sixty-nine".