3633624481 has 2 divisors, whose sum is σ = 3633624482. Its totient is φ = 3633624480.

The previous prime is 3633624427. The next prime is 3633624487. The reversal of 3633624481 is 1844263363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2936664481 + 696960000 = 54191^2 + 26400^2 .

It is an emirp because it is prime and its reverse (1844263363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3633624481 - 2²¹ = 3631527329 is a prime.

It is a super-3 number, since 3×3633624481³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3633624487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816812240 + 1816812241.

It is an arithmetic number, because the mean of its divisors is an integer number (1816812241).

Almost surely, 2^3633624481 is an apocalyptic number.

It is an amenable number.

3633624481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3633624481 is an equidigital number, since it uses as much as digits as its factorization.

3633624481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 3633624481 is about 60279.5527604510. The cubic root of 3633624481 is about 1537.3757071930.

The spelling of 3633624481 in words is "three billion, six hundred thirty-three million, six hundred twenty-four thousand, four hundred eighty-one".