204440118293 has 2 divisors, whose sum is σ = 204440118294. Its totient is φ = 204440118292.

The previous prime is 204440118241. The next prime is 204440118299. The reversal of 204440118293 is 392811044402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157309010884 + 47131107409 = 396622^2 + 217097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204440118293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204440118299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102220059146 + 102220059147.

It is an arithmetic number, because the mean of its divisors is an integer number (102220059147).

Almost surely, 2^204440118293 is an apocalyptic number.

It is an amenable number.

204440118293 is a deficient number, since it is larger than the sum of its proper divisors (1).

204440118293 is an equidigital number, since it uses as much as digits as its factorization.

204440118293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 204440118293 in words is "two hundred four billion, four hundred forty million, one hundred eighteen thousand, two hundred ninety-three".