3533620536 has 96 divisors (see below), whose sum is σ = 9945936000. Its totient is φ = 1132008192.

The previous prime is 3533620511. The next prime is 3533620543. The reversal of 3533620536 is 6350263353.

3533620536 is a `hidden beast` number, since 35 + 33 + 62 + 0 + 536 = 666.

3533620536 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3533620536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461830 + ... + 469418.

It is an arithmetic number, because the mean of its divisors is an integer number (103603500).

Almost surely, 2^3533620536 is an apocalyptic number.

3533620536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3533620536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4972968000).

3533620536 is an abundant number, since it is smaller than the sum of its proper divisors (6412315464).

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

3533620536 is a wasteful number, since it uses less digits than its factorization.

3533620536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853 (or 7846 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

The square root of 3533620536 is about 59444.2641135375. The cubic root of 3533620536 is about 1523.1405139845.

Adding to 3533620536 its reverse (6350263353), we get a palindrome (9883883889).

The spelling of 3533620536 in words is "three billion, five hundred thirty-three million, six hundred twenty thousand, five hundred thirty-six".