4543521354 has 96 divisors (see below), whose sum is σ = 10880657424. Its totient is φ = 1364213760.

The previous prime is 4543521287. The next prime is 4543521401. The reversal of 4543521354 is 4531253454.

4543521354 is a `hidden beast` number, since 4 + 5 + 435 + 213 + 5 + 4 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1255072329 + 3288449025 = 35427^2 + 57345^2 .

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 661522 + ... + 668354.

Almost surely, 2^4543521354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543521354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5440328712).

4543521354 is an abundant number, since it is smaller than the sum of its proper divisors (6337136070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4543521354 is a wasteful number, since it uses less digits than its factorization.

4543521354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6949 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4543521354 is about 67405.6477900777. The cubic root of 4543521354 is about 1656.2689408652.

The spelling of 4543521354 in words is "four billion, five hundred forty-three million, five hundred twenty-one thousand, three hundred fifty-four".