4122864818 has 6 divisors (see below), whose sum is σ = 6184433439. Its totient is φ = 2061387006.

The previous prime is 4122864791. The next prime is 4122864827. The reversal of 4122864818 is 8184682214.

It can be written as a sum of positive squares in only one way, i.e., 2061432409 + 2061432409 = 45403^2 + 45403^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45403.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 68105 + ... + 113507.

Almost surely, 2^4122864818 is an apocalyptic number.

4122864818 is a deficient number, since it is larger than the sum of its proper divisors (2061568621).

4122864818 is an frugal number, since it uses more digits than its factorization.

4122864818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90808 (or 45405 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 4122864818 is about 64209.5383724256. The cubic root of 4122864818 is about 1603.4904033181.

The spelling of 4122864818 in words is "four billion, one hundred twenty-two million, eight hundred sixty-four thousand, eight hundred eighteen".