204234540001 has 2 divisors, whose sum is σ = 204234540002. Its totient is φ = 204234540000.

The previous prime is 204234539989. The next prime is 204234540043. The reversal of 204234540001 is 100045432402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134284869601 + 69949670400 = 366449^2 + 264480^2 .

It is a cyclic number.

It is not a de Polignac number, because 204234540001 - 2⁵ = 204234539969 is a prime.

It is not a weakly prime, because it can be changed into another prime (204234540071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102117270000 + 102117270001.

It is an arithmetic number, because the mean of its divisors is an integer number (102117270001).

Almost surely, 2^204234540001 is an apocalyptic number.

It is an amenable number.

204234540001 is a deficient number, since it is larger than the sum of its proper divisors (1).

204234540001 is an equidigital number, since it uses as much as digits as its factorization.

204234540001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 204234540001 its reverse (100045432402), we get a palindrome (304279972403).

The spelling of 204234540001 in words is "two hundred four billion, two hundred thirty-four million, five hundred forty thousand, one".