6751505838 has 64 divisors (see below), whose sum is σ = 16914954240. Its totient is φ = 1745301600.

The previous prime is 6751505837. The next prime is 6751505843. The reversal of 6751505838 is 8385051576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6751505837) 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 31 ways as a sum of consecutive naturals, for example, 62853 + ... + 132111.

It is an arithmetic number, because the mean of its divisors is an integer number (264296160).

Almost surely, 2^6751505838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6751505838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8457477120).

6751505838 is an abundant number, since it is smaller than the sum of its proper divisors (10163448402).

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

6751505838 is a wasteful number, since it uses less digits than its factorization.

6751505838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69493.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 6751505838 is about 82167.5473529544. The cubic root of 6751505838 is about 1890.0221004666.

The spelling of 6751505838 in words is "six billion, seven hundred fifty-one million, five hundred five thousand, eight hundred thirty-eight".