6818229507 has 4 divisors (see below), whose sum is σ = 9090972680. Its totient is φ = 4545486336.

The previous prime is 6818229487. The next prime is 6818229541. The reversal of 6818229507 is 7059228186.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6818229507 - 2¹⁸ = 6817967363 is a prime.

It is a super-2 number, since 2×6818229507² = 92976507220250926098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6818229307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136371582 + ... + 1136371587.

It is an arithmetic number, because the mean of its divisors is an integer number (2272743170).

Almost surely, 2^6818229507 is an apocalyptic number.

6818229507 is a deficient number, since it is larger than the sum of its proper divisors (2272743173).

6818229507 is a wasteful number, since it uses less digits than its factorization.

6818229507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272743172.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 6818229507 is about 82572.5711541066. The cubic root of 6818229507 is about 1896.2279277985.

The spelling of 6818229507 in words is "six billion, eight hundred eighteen million, two hundred twenty-nine thousand, five hundred seven".