10639633 has 2 divisors, whose sum is σ = 10639634. Its totient is φ = 10639632.

The previous prime is 10639631. The next prime is 10639649. The reversal of 10639633 is 33693601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 1830609 = 2968^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 10639633 - 2¹ = 10639631 is a prime.

It is a super-2 number, since 2×10639633² = 226403580749378, which contains 22 as substring.

Together with 10639631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10639595 and 10639604.

It is not a weakly prime, because it can be changed into another prime (10639631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5319816 + 5319817.

It is an arithmetic number, because the mean of its divisors is an integer number (5319817).

Almost surely, 2^10639633 is an apocalyptic number.

It is an amenable number.

10639633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10639633 is an equidigital number, since it uses as much as digits as its factorization.

10639633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 10639633 is about 3261.8450300405. The cubic root of 10639633 is about 219.9423609332.

The spelling of 10639633 in words is "ten million, six hundred thirty-nine thousand, six hundred thirty-three".