204750227137 has 2 divisors, whose sum is σ = 204750227138. Its totient is φ = 204750227136.

The previous prime is 204750227107. The next prime is 204750227141. The reversal of 204750227137 is 731722057402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130526128656 + 74224098481 = 361284^2 + 272441^2 .

It is a cyclic number.

It is not a de Polignac number, because 204750227137 - 2²³ = 204741838529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204750227137.

It is not a weakly prime, because it can be changed into another prime (204750227107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102375113568 + 102375113569.

It is an arithmetic number, because the mean of its divisors is an integer number (102375113569).

Almost surely, 2^204750227137 is an apocalyptic number.

It is an amenable number.

204750227137 is a deficient number, since it is larger than the sum of its proper divisors (1).

204750227137 is an equidigital number, since it uses as much as digits as its factorization.

204750227137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 204750227137 in words is "two hundred four billion, seven hundred fifty million, two hundred twenty-seven thousand, one hundred thirty-seven".