4688368121 has 2 divisors, whose sum is σ = 4688368122. Its totient is φ = 4688368120.

The previous prime is 4688368051. The next prime is 4688368147. The reversal of 4688368121 is 1218638864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2599878121 + 2088490000 = 50989^2 + 45700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4688368121 - 2²² = 4684173817 is a prime.

It is not a weakly prime, because it can be changed into another prime (4688368151) 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, 2344184060 + 2344184061.

It is an arithmetic number, because the mean of its divisors is an integer number (2344184061).

Almost surely, 2^4688368121 is an apocalyptic number.

It is an amenable number.

4688368121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4688368121 is an equidigital number, since it uses as much as digits as its factorization.

4688368121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 4688368121 is about 68471.6592540301. The cubic root of 4688368121 is about 1673.6856841707.

The spelling of 4688368121 in words is "four billion, six hundred eighty-eight million, three hundred sixty-eight thousand, one hundred twenty-one".