204242333473 has 2 divisors, whose sum is σ = 204242333474. Its totient is φ = 204242333472.

The previous prime is 204242333441. The next prime is 204242333549. The reversal of 204242333473 is 374333242402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152800464609 + 51441868864 = 390897^2 + 226808^2 .

It is a cyclic number.

It is not a de Polignac number, because 204242333473 - 2⁵ = 204242333441 is a prime.

It is a super-2 number, since 2×204242333473² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204242337473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102121166736 + 102121166737.

It is an arithmetic number, because the mean of its divisors is an integer number (102121166737).

Almost surely, 2^204242333473 is an apocalyptic number.

It is an amenable number.

204242333473 is a deficient number, since it is larger than the sum of its proper divisors (1).

204242333473 is an equidigital number, since it uses as much as digits as its factorization.

204242333473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 37.

Adding to 204242333473 its reverse (374333242402), we get a palindrome (578575575875).

The spelling of 204242333473 in words is "two hundred four billion, two hundred forty-two million, three hundred thirty-three thousand, four hundred seventy-three".