218295000061 has 2 divisors, whose sum is σ = 218295000062. Its totient is φ = 218295000060.

The previous prime is 218295000037. The next prime is 218295000067. The reversal of 218295000061 is 160000592812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136470397561 + 81824602500 = 369419^2 + 286050^2 .

It is a cyclic number.

It is not a de Polignac number, because 218295000061 - 2¹¹ = 218294998013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218294999990 and 218295000026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218295000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109147500030 + 109147500031.

It is an arithmetic number, because the mean of its divisors is an integer number (109147500031).

Almost surely, 2^218295000061 is an apocalyptic number.

It is an amenable number.

218295000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

218295000061 is an equidigital number, since it uses as much as digits as its factorization.

218295000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 218295000061 its reverse (160000592812), we get a palindrome (378295592873).

The spelling of 218295000061 in words is "two hundred eighteen billion, two hundred ninety-five million, sixty-one", and thus it is an aban number.