6801138758 has 16 divisors (see below), whose sum is σ = 10371928416. Its totient is φ = 3343861440.

The previous prime is 6801138739. The next prime is 6801138781. The reversal of 6801138758 is 8578311086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618335 + ... + 629237.

It is an arithmetic number, because the mean of its divisors is an integer number (648245526).

Almost surely, 2^6801138758 is an apocalyptic number.

6801138758 is a deficient number, since it is larger than the sum of its proper divisors (3570789658).

6801138758 is a wasteful number, since it uses less digits than its factorization.

6801138758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 6801138758 is about 82469.0169578855. The cubic root of 6801138758 is about 1894.6422242810.

The spelling of 6801138758 in words is "six billion, eight hundred one million, one hundred thirty-eight thousand, seven hundred fifty-eight".