84354425469 has 48 divisors (see below), whose sum is σ = 129552883200. Its totient is φ = 52796499840.

The previous prime is 84354425453. The next prime is 84354425473. The reversal of 84354425469 is 96452445348.

84354425469 is a `hidden beast` number, since 8 + 4 + 3 + 54 + 42 + 546 + 9 = 666.

It is not a de Polignac number, because 84354425469 - 2⁴ = 84354425453 is a prime.

It is a super-2 number, since 2×84354425469² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84354425269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3570307 + ... + 3593855.

It is an arithmetic number, because the mean of its divisors is an integer number (2699018400).

Almost surely, 2^84354425469 is an apocalyptic number.

It is an amenable number.

84354425469 is a deficient number, since it is larger than the sum of its proper divisors (45198457731).

84354425469 is a wasteful number, since it uses less digits than its factorization.

84354425469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23970 (or 23967 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 84354425469 in words is "eighty-four billion, three hundred fifty-four million, four hundred twenty-five thousand, four hundred sixty-nine".