43545454589 has 32 divisors (see below), whose sum is σ = 56534016000. Its totient is φ = 32571440064.

The previous prime is 43545454553. The next prime is 43545454591. The reversal of 43545454589 is 98545454534.

It is a cyclic number.

It is not a de Polignac number, because 43545454589 - 2⁸ = 43545454333 is a prime.

It is a super-2 number, since 2×43545454589² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43545454189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801902 + ... + 854480.

It is an arithmetic number, because the mean of its divisors is an integer number (1766688000).

Almost surely, 2^43545454589 is an apocalyptic number.

It is an amenable number.

43545454589 is a deficient number, since it is larger than the sum of its proper divisors (12988561411).

43545454589 is a wasteful number, since it uses less digits than its factorization.

43545454589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53097.

The product of its digits is 34560000, while the sum is 56.

Subtracting 43545454589 from its reverse (98545454534), we obtain a palindrome (54999999945).

The spelling of 43545454589 in words is "forty-three billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred eighty-nine".