261422033264333 has 2 divisors, whose sum is σ = 261422033264334. Its totient is φ = 261422033264332.

The previous prime is 261422033264311. The next prime is 261422033264417. The reversal of 261422033264333 is 333462330224162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145133028011689 + 116289005252644 = 12047117^2 + 10783738^2 .

It is a cyclic number.

It is not a de Polignac number, because 261422033264333 - 2²⁴ = 261422016487117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261422033264933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130711016632166 + 130711016632167.

It is an arithmetic number, because the mean of its divisors is an integer number (130711016632167).

Almost surely, 2^{261422033264333} is an apocalyptic number.

It is an amenable number.

261422033264333 is a deficient number, since it is larger than the sum of its proper divisors (1).

261422033264333 is an equidigital number, since it uses as much as digits as its factorization.

261422033264333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 44.

Adding to 261422033264333 its reverse (333462330224162), we get a palindrome (594884363488495).

The spelling of 261422033264333 in words is "two hundred sixty-one trillion, four hundred twenty-two billion, thirty-three million, two hundred sixty-four thousand, three hundred thirty-three".