4543537536 has 160 divisors (see below), whose sum is σ = 13562623800. Its totient is φ = 1509912576.

The previous prime is 4543537529. The next prime is 4543537567. The reversal of 4543537536 is 6357353454.

It is a happy number.

4543537536 is a `hidden beast` number, since 4 + 54 + 35 + 37 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4543537491 and 4543537500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6147855 + ... + 6148593.

Almost surely, 2^4543537536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543537536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6781311900).

4543537536 is an abundant number, since it is smaller than the sum of its proper divisors (9019086264).

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

4543537536 is an equidigital number, since it uses as much as digits as its factorization.

4543537536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1337 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 45.

The square root of 4543537536 is about 67405.7678244229. The cubic root of 4543537536 is about 1656.2709071603.

The spelling of 4543537536 in words is "four billion, five hundred forty-three million, five hundred thirty-seven thousand, five hundred thirty-six".