8612438342169 has 16 divisors (see below), whose sum is σ = 11549988092160. Its totient is φ = 5708334952320.

The previous prime is 8612438342143. The next prime is 8612438342197. The reversal of 8612438342169 is 9612438342168.

It is not a de Polignac number, because 8612438342169 - 2²⁵ = 8612404787737 is a prime.

It is a super-2 number, since 2×8612438342169² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8612438343169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9291622 + ... + 10176399.

It is an arithmetic number, because the mean of its divisors is an integer number (721874255760).

Almost surely, 2^{8612438342169} is an apocalyptic number.

It is an amenable number.

8612438342169 is a deficient number, since it is larger than the sum of its proper divisors (2937549749991).

8612438342169 is a wasteful number, since it uses less digits than its factorization.

8612438342169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19468880.

The product of its digits is 11943936, while the sum is 57.

Subtracting 8612438342169 from its reverse (9612438342168), we obtain a palindrome (999999999999).

The spelling of 8612438342169 in words is "eight trillion, six hundred twelve billion, four hundred thirty-eight million, three hundred forty-two thousand, one hundred sixty-nine".