6405734133 has 6 divisors (see below), whose sum is σ = 9252727094. Its totient is φ = 4270489416.

The previous prime is 6405734131. The next prime is 6405734161. The reversal of 6405734133 is 3314375046.

6405734133 is a `hidden beast` number, since 6 + 40 + 573 + 41 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6361338564 + 44395569 = 79758^2 + 6663^2 .

It is not a de Polignac number, because 6405734133 - 2¹ = 6405734131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405734131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355874110 + ... + 355874127.

Almost surely, 2^6405734133 is an apocalyptic number.

It is an amenable number.

6405734133 is a deficient number, since it is larger than the sum of its proper divisors (2846992961).

6405734133 is a wasteful number, since it uses less digits than its factorization.

6405734133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711748243 (or 711748240 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 6405734133 is about 80035.8303074317. The cubic root of 6405734133 is about 1857.1898572549.

The spelling of 6405734133 in words is "six billion, four hundred five million, seven hundred thirty-four thousand, one hundred thirty-three".