6238663389 has 32 divisors (see below), whose sum is σ = 10778400000. Its totient is φ = 3564945216.

The previous prime is 6238663331. The next prime is 6238663391. The reversal of 6238663389 is 9833668326.

6238663389 is a `hidden beast` number, since 623 + 8 + 6 + 6 + 3 + 3 + 8 + 9 = 666.

It is not a de Polignac number, because 6238663389 - 2⁹ = 6238662877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6238663399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327564 + ... + 346085.

It is an arithmetic number, because the mean of its divisors is an integer number (336825000).

Almost surely, 2^6238663389 is an apocalyptic number.

It is an amenable number.

6238663389 is a deficient number, since it is larger than the sum of its proper divisors (4539736611).

6238663389 is an equidigital number, since it uses as much as digits as its factorization.

6238663389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673679 (or 673659 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 6238663389 is about 78985.2099383169. The cubic root of 6238663389 is about 1840.9013570784.

The spelling of 6238663389 in words is "six billion, two hundred thirty-eight million, six hundred sixty-three thousand, three hundred eighty-nine".