204243096037 has 2 divisors, whose sum is σ = 204243096038. Its totient is φ = 204243096036.

The previous prime is 204243095957. The next prime is 204243096047. The reversal of 204243096037 is 730690342402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204153963556 + 89132481 = 451834^2 + 9441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204243096037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204243096047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102121548018 + 102121548019.

It is an arithmetic number, because the mean of its divisors is an integer number (102121548019).

Almost surely, 2^204243096037 is an apocalyptic number.

It is an amenable number.

204243096037 is a deficient number, since it is larger than the sum of its proper divisors (1).

204243096037 is an equidigital number, since it uses as much as digits as its factorization.

204243096037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 204243096037 in words is "two hundred four billion, two hundred forty-three million, ninety-six thousand, thirty-seven".