4118504021 has 2 divisors, whose sum is σ = 4118504022. Its totient is φ = 4118504020.

The previous prime is 4118503951. The next prime is 4118504041. The reversal of 4118504021 is 1204058114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2207590225 + 1910913796 = 46985^2 + 43714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4118504021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4118504041) 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 as a sum of consecutive naturals, namely, 2059252010 + 2059252011.

It is an arithmetic number, because the mean of its divisors is an integer number (2059252011).

Almost surely, 2^4118504021 is an apocalyptic number.

It is an amenable number.

4118504021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4118504021 is an equidigital number, since it uses as much as digits as its factorization.

4118504021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 4118504021 is about 64175.5718400701. The cubic root of 4118504021 is about 1602.9248610521.

The spelling of 4118504021 in words is "four billion, one hundred eighteen million, five hundred four thousand, twenty-one".