3621457536 has 64 divisors (see below), whose sum is σ = 9824215680. Its totient is φ = 1181462528.

The previous prime is 3621457507. The next prime is 3621457591. The reversal of 3621457536 is 6357541263.

3621457536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3621457536² = 26229909370102382592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82281 + ... + 118376.

It is an arithmetic number, because the mean of its divisors is an integer number (153503370).

Almost surely, 2^3621457536 is an apocalyptic number.

It is an amenable number.

3621457536 is an abundant number, since it is smaller than the sum of its proper divisors (6202758144).

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

3621457536 is a wasteful number, since it uses less digits than its factorization.

3621457536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200721 (or 200709 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 3621457536 is about 60178.5471409870. The cubic root of 3621457536 is about 1535.6578556506.

Adding to 3621457536 its reverse (6357541263), we get a palindrome (9978998799).

The spelling of 3621457536 in words is "three billion, six hundred twenty-one million, four hundred fifty-seven thousand, five hundred thirty-six".