868869152469 has 6 divisors (see below), whose sum is σ = 1255033220246. Its totient is φ = 579246101640.

The previous prime is 868869152443. The next prime is 868869152491. The reversal of 868869152469 is 964251968868.

868869152469 is a `hidden beast` number, since 8 + 6 + 8 + 8 + 6 + 9 + 152 + 469 = 666.

868869152469 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 609120933444 + 259748219025 = 780462^2 + 509655^2 .

It is not a de Polignac number, because 868869152469 - 2²⁴ = 868852375253 is a prime.

It is a super-2 number, since 2×868869152469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868869152397 and 868869152406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868869152269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48270508462 + ... + 48270508479.

Almost surely, 2^868869152469 is an apocalyptic number.

It is an amenable number.

868869152469 is a deficient number, since it is larger than the sum of its proper divisors (386164067777).

868869152469 is a wasteful number, since it uses less digits than its factorization.

868869152469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96541016947 (or 96541016944 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 72.

The spelling of 868869152469 in words is "eight hundred sixty-eight billion, eight hundred sixty-nine million, one hundred fifty-two thousand, four hundred sixty-nine".