6434561133 has 64 divisors (see below), whose sum is σ = 12799180800. Its totient is φ = 3085490880.

The previous prime is 6434561123. The next prime is 6434561137. The reversal of 6434561133 is 3311654346.

6434561133 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 5 + 611 + 33 = 666.

It is not a de Polignac number, because 6434561133 - 2⁴ = 6434561117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434561137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92013 + ... + 146066.

It is an arithmetic number, because the mean of its divisors is an integer number (199987200).

Almost surely, 2^6434561133 is an apocalyptic number.

6434561133 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6434561133 is a deficient number, since it is larger than the sum of its proper divisors (6364619667).

6434561133 is a wasteful number, since it uses less digits than its factorization.

6434561133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238119 (or 238113 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 6434561133 is about 80215.7162468802. The cubic root of 6434561133 is about 1859.9715890561.

The spelling of 6434561133 in words is "six billion, four hundred thirty-four million, five hundred sixty-one thousand, one hundred thirty-three".