4121218753 has 2 divisors, whose sum is σ = 4121218754. Its totient is φ = 4121218752.

The previous prime is 4121218747. The next prime is 4121218831. The reversal of 4121218753 is 3578121214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4110348544 + 10870209 = 64112^2 + 3297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4121218753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4121218733) 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 as a sum of consecutive naturals, namely, 2060609376 + 2060609377.

It is an arithmetic number, because the mean of its divisors is an integer number (2060609377).

Almost surely, 2^4121218753 is an apocalyptic number.

It is an amenable number.

4121218753 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121218753 is an equidigital number, since it uses as much as digits as its factorization.

4121218753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 4121218753 is about 64196.7191762944. The cubic root of 4121218753 is about 1603.2769756091.

Adding to 4121218753 its reverse (3578121214), we get a palindrome (7699339967).

The spelling of 4121218753 in words is "four billion, one hundred twenty-one million, two hundred eighteen thousand, seven hundred fifty-three".