265563240413 has 2 divisors, whose sum is σ = 265563240414. Its totient is φ = 265563240412.

The previous prime is 265563240317. The next prime is 265563240419. The reversal of 265563240413 is 314042365562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249733071289 + 15830169124 = 499733^2 + 125818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265563240413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265563240419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132781620206 + 132781620207.

It is an arithmetic number, because the mean of its divisors is an integer number (132781620207).

Almost surely, 2^265563240413 is an apocalyptic number.

It is an amenable number.

265563240413 is a deficient number, since it is larger than the sum of its proper divisors (1).

265563240413 is an equidigital number, since it uses as much as digits as its factorization.

265563240413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 265563240413 in words is "two hundred sixty-five billion, five hundred sixty-three million, two hundred forty thousand, four hundred thirteen".