6634268389 has 8 divisors (see below), whose sum is σ = 7582618880. Its totient is φ = 5686067376.

The previous prime is 6634268383. The next prime is 6634268401. The reversal of 6634268389 is 9838624366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6634268389 - 2⁵ = 6634268357 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 (6634268383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84052 + ... + 142594.

It is an arithmetic number, because the mean of its divisors is an integer number (947827360).

Almost surely, 2^6634268389 is an apocalyptic number.

It is an amenable number.

6634268389 is a deficient number, since it is larger than the sum of its proper divisors (948350491).

6634268389 is a wasteful number, since it uses less digits than its factorization.

6634268389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74739.

The product of its digits is 8957952, while the sum is 55.

The square root of 6634268389 is about 81451.0183423142. The cubic root of 6634268389 is about 1879.0183109441.

The spelling of 6634268389 in words is "six billion, six hundred thirty-four million, two hundred sixty-eight thousand, three hundred eighty-nine".