4568695121 has 2 divisors, whose sum is σ = 4568695122. Its totient is φ = 4568695120.

The previous prime is 4568695111. The next prime is 4568695127. The reversal of 4568695121 is 1215968654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2503901521 + 2064793600 = 50039^2 + 45440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4568695121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4568695127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284347560 + 2284347561.

It is an arithmetic number, because the mean of its divisors is an integer number (2284347561).

Almost surely, 2^4568695121 is an apocalyptic number.

It is an amenable number.

4568695121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4568695121 is an equidigital number, since it uses as much as digits as its factorization.

4568695121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 47.

The square root of 4568695121 is about 67592.1232171323. The cubic root of 4568695121 is about 1659.3222085321.

The spelling of 4568695121 in words is "four billion, five hundred sixty-eight million, six hundred ninety-five thousand, one hundred twenty-one".