3621063530 has 64 divisors (see below), whose sum is σ = 7619125248. Its totient is φ = 1213470720.

The previous prime is 3621063527. The next prime is 3621063533. The reversal of 3621063530 is 353601263.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3621063527) and next prime (3621063533).

It is a super-2 number, since 2×3621063530² = 26224202176592121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3621063493 and 3621063502.

It is not an unprimeable number, because it can be changed into a prime (3621063533) 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, 574295 + ... + 580565.

It is an arithmetic number, because the mean of its divisors is an integer number (119048832).

Almost surely, 2^3621063530 is an apocalyptic number.

3621063530 is an abundant number, since it is smaller than the sum of its proper divisors (3998061718).

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

3621063530 is a wasteful number, since it uses less digits than its factorization.

3621063530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 3621063530 is about 60175.2734102638. The cubic root of 3621063530 is about 1535.6021616519.

Adding to 3621063530 its reverse (353601263), we get a palindrome (3974664793).

The spelling of 3621063530 in words is "three billion, six hundred twenty-one million, sixty-three thousand, five hundred thirty".