8425121469 has 16 divisors (see below), whose sum is σ = 11335421568. Its totient is φ = 5565929472.

The previous prime is 8425121449. The next prime is 8425121527. The reversal of 8425121469 is 9641215248.

8425121469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8425121469 - 2⁸ = 8425121213 is a prime.

It is a super-3 number, since 3×8425121469³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8425121469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425121429) 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, 219384 + ... + 254910.

It is an arithmetic number, because the mean of its divisors is an integer number (708463848).

Almost surely, 2^8425121469 is an apocalyptic number.

It is an amenable number.

8425121469 is a deficient number, since it is larger than the sum of its proper divisors (2910300099).

8425121469 is a wasteful number, since it uses less digits than its factorization.

8425121469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36244.

The product of its digits is 138240, while the sum is 42.

The square root of 8425121469 is about 91788.4604348499. The cubic root of 8425121469 is about 2034.8171547389.

The spelling of 8425121469 in words is "eight billion, four hundred twenty-five million, one hundred twenty-one thousand, four hundred sixty-nine".