3633463649 has 2 divisors, whose sum is σ = 3633463650. Its totient is φ = 3633463648.

The previous prime is 3633463637. The next prime is 3633463723. The reversal of 3633463649 is 9463643363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3536086225 + 97377424 = 59465^2 + 9868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3633463649 - 2⁴ = 3633463633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3633463619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816731824 + 1816731825.

It is an arithmetic number, because the mean of its divisors is an integer number (1816731825).

Almost surely, 2^3633463649 is an apocalyptic number.

It is an amenable number.

3633463649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3633463649 is an equidigital number, since it uses as much as digits as its factorization.

3633463649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 47.

The square root of 3633463649 is about 60278.2186946496. The cubic root of 3633463649 is about 1537.3530243447.

The spelling of 3633463649 in words is "three billion, six hundred thirty-three million, four hundred sixty-three thousand, six hundred forty-nine".