263020520613047 has 2 divisors, whose sum is σ = 263020520613048. Its totient is φ = 263020520613046.

The previous prime is 263020520612981. The next prime is 263020520613083. The reversal of 263020520613047 is 740316025020362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263020520613047 - 2²⁰ = 263020519564471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263020520612995 and 263020520613013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263020520613547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131510260306523 + 131510260306524.

It is an arithmetic number, because the mean of its divisors is an integer number (131510260306524).

Almost surely, 2^{263020520613047} is an apocalyptic number.

263020520613047 is a deficient number, since it is larger than the sum of its proper divisors (1).

263020520613047 is an equidigital number, since it uses as much as digits as its factorization.

263020520613047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 263020520613047 in words is "two hundred sixty-three trillion, twenty billion, five hundred twenty million, six hundred thirteen thousand, forty-seven".