654454469 has 8 divisors (see below), whose sum is σ = 664093080. Its totient is φ = 644866816.

The previous prime is 654454439. The next prime is 654454511. The reversal of 654454469 is 964454456.

It can be written as a sum of positive squares in 4 ways, for example, as 96786244 + 557668225 = 9838^2 + 23615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654454469 - 2²⁴ = 637677253 is a prime.

It is a super-2 number, since 2×654454469² = 856621303988143922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654454439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13529 + ... + 38625.

It is an arithmetic number, because the mean of its divisors is an integer number (83011635).

Almost surely, 2^654454469 is an apocalyptic number.

It is an amenable number.

654454469 is a deficient number, since it is larger than the sum of its proper divisors (9638611).

654454469 is a wasteful number, since it uses less digits than its factorization.

654454469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479.

The product of its digits is 2073600, while the sum is 47.

The square root of 654454469 is about 25582.3077340571. The cubic root of 654454469 is about 868.2133895464.

The spelling of 654454469 in words is "six hundred fifty-four million, four hundred fifty-four thousand, four hundred sixty-nine".