8654664709869 has 4 divisors (see below), whose sum is σ = 11539552946496. Its totient is φ = 5769776473244.

The previous prime is 8654664709843. The next prime is 8654664709891. The reversal of 8654664709869 is 9689074664568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8654664709869 - 2²³ = 8654656321261 is a prime.

It is a super-2 number, since 2×8654664709869² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8654664709794 and 8654664709803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8654664709469) 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, 1442444118309 + ... + 1442444118314.

It is an arithmetic number, because the mean of its divisors is an integer number (2884888236624).

Almost surely, 2^{8654664709869} is an apocalyptic number.

It is an amenable number.

8654664709869 is a deficient number, since it is larger than the sum of its proper divisors (2884888236627).

8654664709869 is a wasteful number, since it uses less digits than its factorization.

8654664709869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884888236626.

The product of its (nonzero) digits is 3762339840, while the sum is 78.

The spelling of 8654664709869 in words is "eight trillion, six hundred fifty-four billion, six hundred sixty-four million, seven hundred nine thousand, eight hundred sixty-nine".