204034404111073 has 2 divisors, whose sum is σ = 204034404111074. Its totient is φ = 204034404111072.

The previous prime is 204034404111067. The next prime is 204034404111077. The reversal of 204034404111073 is 370111404430402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175702129751824 + 28332274359249 = 13255268^2 + 5322807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204034404111073 is a prime.

It is a super-2 number, since 2×204034404111073² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204034404111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102017202055536 + 102017202055537.

It is an arithmetic number, because the mean of its divisors is an integer number (102017202055537).

Almost surely, 2^{204034404111073} is an apocalyptic number.

It is an amenable number.

204034404111073 is a deficient number, since it is larger than the sum of its proper divisors (1).

204034404111073 is an equidigital number, since it uses as much as digits as its factorization.

204034404111073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 204034404111073 its reverse (370111404430402), we get a palindrome (574145808541475).

The spelling of 204034404111073 in words is "two hundred four trillion, thirty-four billion, four hundred four million, one hundred eleven thousand, seventy-three".