6551212633 has 24 divisors (see below), whose sum is σ = 8120638152. Its totient is φ = 5251244544.

The previous prime is 6551212627. The next prime is 6551212649. The reversal of 6551212633 is 3362121556.

It can be written as a sum of positive squares in 4 ways, for example, as 126067984 + 6425144649 = 11228^2 + 80157^2 .

It is not a de Polignac number, because 6551212633 - 2⁵ = 6551212601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551212693) 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 23 ways as a sum of consecutive naturals, for example, 105735 + ... + 155827.

It is an arithmetic number, because the mean of its divisors is an integer number (338359923).

Almost surely, 2^6551212633 is an apocalyptic number.

It is an amenable number.

6551212633 is a deficient number, since it is larger than the sum of its proper divisors (1569425519).

6551212633 is a wasteful number, since it uses less digits than its factorization.

6551212633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50281 (or 50274 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 6551212633 is about 80939.5616061762. The cubic root of 6551212633 is about 1871.1440884172.

The spelling of 6551212633 in words is "six billion, five hundred fifty-one million, two hundred twelve thousand, six hundred thirty-three".