6231818845 has 16 divisors (see below), whose sum is σ = 8841202560. Its totient is φ = 4125893184.

The previous prime is 6231818839. The next prime is 6231818849. The reversal of 6231818845 is 5488181326.

It is not a de Polignac number, because 6231818845 - 2³ = 6231818837 is a prime.

It is a super-2 number, since 2×6231818845² = 77671132233794268050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6231818795 and 6231818804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231818849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3068847 + ... + 3070876.

It is an arithmetic number, because the mean of its divisors is an integer number (552575160).

Almost surely, 2^6231818845 is an apocalyptic number.

It is an amenable number.

6231818845 is a deficient number, since it is larger than the sum of its proper divisors (2609383715).

6231818845 is a wasteful number, since it uses less digits than its factorization.

6231818845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139764.

The product of its digits is 368640, while the sum is 46.

The square root of 6231818845 is about 78941.8700373889. The cubic root of 6231818845 is about 1840.2278826335.

The spelling of 6231818845 in words is "six billion, two hundred thirty-one million, eight hundred eighteen thousand, eight hundred forty-five".