6634240395 has 16 divisors (see below), whose sum is σ = 11239184160. Its totient is φ = 3330128384.

The previous prime is 6634240369. The next prime is 6634240399. The reversal of 6634240395 is 5930424366.

6634240395 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6634240395 - 2⁵ = 6634240363 is a prime.

It is a super-3 number, since 3×6634240395³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6634240399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13008060 + ... + 13008569.

It is an arithmetic number, because the mean of its divisors is an integer number (702449010).

Almost surely, 2^6634240395 is an apocalyptic number.

6634240395 is a deficient number, since it is larger than the sum of its proper divisors (4604943765).

6634240395 is a wasteful number, since it uses less digits than its factorization.

6634240395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26016654.

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

The square root of 6634240395 is about 81450.8464965221. The cubic root of 6634240395 is about 1879.0156680346.

The spelling of 6634240395 in words is "six billion, six hundred thirty-four million, two hundred forty thousand, three hundred ninety-five".