260553263213 has 2 divisors, whose sum is σ = 260553263214. Its totient is φ = 260553263212.

The previous prime is 260553263167. The next prime is 260553263221. The reversal of 260553263213 is 312362355062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260429564329 + 123698884 = 510323^2 + 11122^2 .

It is a cyclic number.

It is not a de Polignac number, because 260553263213 - 2¹⁸ = 260553001069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260553263233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130276631606 + 130276631607.

It is an arithmetic number, because the mean of its divisors is an integer number (130276631607).

Almost surely, 2^260553263213 is an apocalyptic number.

It is an amenable number.

260553263213 is a deficient number, since it is larger than the sum of its proper divisors (1).

260553263213 is an equidigital number, since it uses as much as digits as its factorization.

260553263213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 260553263213 in words is "two hundred sixty billion, five hundred fifty-three million, two hundred sixty-three thousand, two hundred thirteen".