3630602281 has 2 divisors, whose sum is σ = 3630602282. Its totient is φ = 3630602280.

The previous prime is 3630602219. The next prime is 3630602317. The reversal of 3630602281 is 1822060363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3538346256 + 92256025 = 59484^2 + 9605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3630602281 - 2⁷ = 3630602153 is a prime.

It is a super-2 number, since 2×3630602281² = 26362545845604805922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3630602881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815301140 + 1815301141.

It is an arithmetic number, because the mean of its divisors is an integer number (1815301141).

Almost surely, 2^3630602281 is an apocalyptic number.

It is an amenable number.

3630602281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630602281 is an equidigital number, since it uses as much as digits as its factorization.

3630602281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3630602281 is about 60254.4793438629. The cubic root of 3630602281 is about 1536.9493610265.

The spelling of 3630602281 in words is "three billion, six hundred thirty million, six hundred two thousand, two hundred eighty-one".