264404242504433 has 2 divisors, whose sum is σ = 264404242504434. Its totient is φ = 264404242504432.

The previous prime is 264404242504403. The next prime is 264404242504561. The reversal of 264404242504433 is 334405242404462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238228821923569 + 26175420580864 = 15434663^2 + 5116192^2 .

It is a cyclic number.

It is not a de Polignac number, because 264404242504433 - 2¹² = 264404242500337 is a prime.

It is not a weakly prime, because it can be changed into another prime (264404242504403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132202121252216 + 132202121252217.

It is an arithmetic number, because the mean of its divisors is an integer number (132202121252217).

Almost surely, 2^{264404242504433} is an apocalyptic number.

It is an amenable number.

264404242504433 is a deficient number, since it is larger than the sum of its proper divisors (1).

264404242504433 is an equidigital number, since it uses as much as digits as its factorization.

264404242504433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8847360, while the sum is 47.

Adding to 264404242504433 its reverse (334405242404462), we get a palindrome (598809484908895).

The spelling of 264404242504433 in words is "two hundred sixty-four trillion, four hundred four billion, two hundred forty-two million, five hundred four thousand, four hundred thirty-three".