6634067633 has 2 divisors, whose sum is σ = 6634067634. Its totient is φ = 6634067632.

The previous prime is 6634067621. The next prime is 6634067639. The reversal of 6634067633 is 3367604366.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6373148224 + 260919409 = 79832^2 + 16153^2 .

It is a cyclic number.

It is not a de Polignac number, because 6634067633 - 2¹⁰ = 6634066609 is a prime.

It is a super-3 number, since 3×6634067633³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6634067639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317033816 + 3317033817.

It is an arithmetic number, because the mean of its divisors is an integer number (3317033817).

Almost surely, 2^6634067633 is an apocalyptic number.

It is an amenable number.

6634067633 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634067633 is an equidigital number, since it uses as much as digits as its factorization.

6634067633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 44.

The square root of 6634067633 is about 81449.7859604309. The cubic root of 6634067633 is about 1878.9993574347. Note that the first 3 decimals are identical.

The spelling of 6634067633 in words is "six billion, six hundred thirty-four million, sixty-seven thousand, six hundred thirty-three".