263440712045053 has 2 divisors, whose sum is σ = 263440712045054. Its totient is φ = 263440712045052.

The previous prime is 263440712045047. The next prime is 263440712045087. The reversal of 263440712045053 is 350540217044362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262188700986564 + 1252011058489 = 16192242^2 + 1118933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263440712045053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263440712044994 and 263440712045012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263440712045003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131720356022526 + 131720356022527.

It is an arithmetic number, because the mean of its divisors is an integer number (131720356022527).

Almost surely, 2^{263440712045053} is an apocalyptic number.

It is an amenable number.

263440712045053 is a deficient number, since it is larger than the sum of its proper divisors (1).

263440712045053 is an equidigital number, since it uses as much as digits as its factorization.

263440712045053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 263440712045053 in words is "two hundred sixty-three trillion, four hundred forty billion, seven hundred twelve million, forty-five thousand, fifty-three".