263230419853189 has 2 divisors, whose sum is σ = 263230419853190. Its totient is φ = 263230419853188.

The previous prime is 263230419853127. The next prime is 263230419853213. The reversal of 263230419853189 is 981358914032362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238802410152289 + 24428009700900 = 15453233^2 + 4942470^2 .

It is a cyclic number.

It is not a de Polignac number, because 263230419853189 - 2⁹ = 263230419852677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263230419853189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263230419853589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131615209926594 + 131615209926595.

It is an arithmetic number, because the mean of its divisors is an integer number (131615209926595).

Almost surely, 2^{263230419853189} is an apocalyptic number.

It is an amenable number.

263230419853189 is a deficient number, since it is larger than the sum of its proper divisors (1).

263230419853189 is an equidigital number, since it uses as much as digits as its factorization.

263230419853189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 263230419853189 in words is "two hundred sixty-three trillion, two hundred thirty billion, four hundred nineteen million, eight hundred fifty-three thousand, one hundred eighty-nine".