263598894341 has 2 divisors, whose sum is σ = 263598894342. Its totient is φ = 263598894340.

The previous prime is 263598894329. The next prime is 263598894347. The reversal of 263598894341 is 143498895362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247381890625 + 16217003716 = 497375^2 + 127346^2 .

It is a cyclic number.

It is not a de Polignac number, because 263598894341 - 2⁶ = 263598894277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263598894347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131799447170 + 131799447171.

It is an arithmetic number, because the mean of its divisors is an integer number (131799447171).

Almost surely, 2^263598894341 is an apocalyptic number.

It is an amenable number.

263598894341 is a deficient number, since it is larger than the sum of its proper divisors (1).

263598894341 is an equidigital number, since it uses as much as digits as its factorization.

263598894341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 62.

The spelling of 263598894341 in words is "two hundred sixty-three billion, five hundred ninety-eight million, eight hundred ninety-four thousand, three hundred forty-one".