618200068001 has 2 divisors, whose sum is σ = 618200068002. Its totient is φ = 618200068000.

The previous prime is 618200067973. The next prime is 618200068019. The reversal of 618200068001 is 100860002816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520130882401 + 98069185600 = 721201^2 + 313160^2 .

It is a cyclic number.

It is not a de Polignac number, because 618200068001 - 2⁶ = 618200067937 is a prime.

It is not a weakly prime, because it can be changed into another prime (618200068301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309100034000 + 309100034001.

It is an arithmetic number, because the mean of its divisors is an integer number (309100034001).

Almost surely, 2^618200068001 is an apocalyptic number.

It is an amenable number.

618200068001 is a deficient number, since it is larger than the sum of its proper divisors (1).

618200068001 is an equidigital number, since it uses as much as digits as its factorization.

618200068001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 618200068001 in words is "six hundred eighteen billion, two hundred million, sixty-eight thousand, one".