6133621329 has 24 divisors (see below), whose sum is σ = 9809366112. Its totient is φ = 3661859520.

The previous prime is 6133621303. The next prime is 6133621331. The reversal of 6133621329 is 9231263316.

It is a happy number.

6133621329 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 621 + 3 + 29 = 666.

It is not a de Polignac number, because 6133621329 - 2⁹ = 6133620817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6133621293 and 6133621302.

It is not an unprimeable number, because it can be changed into a prime (6133621349) 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, 455724 + ... + 468989.

It is an arithmetic number, because the mean of its divisors is an integer number (408723588).

Almost surely, 2^6133621329 is an apocalyptic number.

It is an amenable number.

6133621329 is a deficient number, since it is larger than the sum of its proper divisors (3675744783).

6133621329 is a wasteful number, since it uses less digits than its factorization.

6133621329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924797 (or 924794 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 6133621329 is about 78317.4394946617. The cubic root of 6133621329 is about 1830.5109036652.

The spelling of 6133621329 in words is "six billion, one hundred thirty-three million, six hundred twenty-one thousand, three hundred twenty-nine".