6533626641 has 4 divisors (see below), whose sum is σ = 8711502192. Its totient is φ = 4355751092.

The previous prime is 6533626597. The next prime is 6533626663. The reversal of 6533626641 is 1466263356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6533626641 - 2⁷ = 6533626513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6533626593 and 6533626602.

It is not an unprimeable number, because it can be changed into a prime (6533626741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088937771 + ... + 1088937776.

It is an arithmetic number, because the mean of its divisors is an integer number (2177875548).

Almost surely, 2^6533626641 is an apocalyptic number.

It is an amenable number.

6533626641 is a deficient number, since it is larger than the sum of its proper divisors (2177875551).

6533626641 is a wasteful number, since it uses less digits than its factorization.

6533626641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177875550.

The product of its digits is 466560, while the sum is 42.

The square root of 6533626641 is about 80830.8520368306. The cubic root of 6533626641 is about 1869.4682962198.

Adding to 6533626641 its reverse (1466263356), we get a palindrome (7999889997).

The spelling of 6533626641 in words is "six billion, five hundred thirty-three million, six hundred twenty-six thousand, six hundred forty-one".