6818242755 has 32 divisors (see below), whose sum is σ = 11191428864.
Its totient is φ = 3542749056.
The previous prime is 6818242733. The next prime is 6818242759. The reversal of 6818242755 is 5572428186.
It is not a de Polignac number, because 6818242755 - 227 = 6684025027 is a prime.
It is a super-2 number, since 2×68182427552 = 92976868532219980050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6818242759) 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, 242752 + ... + 269378.
It is an arithmetic number, because the mean of its divisors is an integer number (349732152).
Almost surely, 26818242755 is an apocalyptic number.
6818242755 is a deficient number, since it is larger than the sum of its proper divisors (4373186109).
6818242755 is a wasteful number, since it uses less digits than its factorization.
6818242755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27075.
The product of its digits is 1075200, while the sum is 48.
The square root of 6818242755 is about 82572.6513744109.
The cubic root of 6818242755 is about 1896.2291559380.
The spelling of 6818242755 in words is "six billion, eight hundred eighteen million, two hundred forty-two thousand, seven hundred fifty-five".