6138838560858 has 8 divisors (see below), whose sum is σ = 12277677121728. Its totient is φ = 2046279520284.

The previous prime is 6138838560851. The next prime is 6138838560979. The reversal of 6138838560858 is 8580658388316.

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

6138838560858 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6138838560792 and 6138838560801.

It is not an unprimeable number, because it can be changed into a prime (6138838560851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511569880066 + ... + 511569880077.

It is an arithmetic number, because the mean of its divisors is an integer number (1534709640216).

Almost surely, 2^{6138838560858} is an apocalyptic number.

6138838560858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6138838560858 is a wasteful number, since it uses less digits than its factorization.

6138838560858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023139760148.

The product of its (nonzero) digits is 265420800, while the sum is 69.

The spelling of 6138838560858 in words is "six trillion, one hundred thirty-eight billion, eight hundred thirty-eight million, five hundred sixty thousand, eight hundred fifty-eight".