269628213629309 has 2 divisors, whose sum is σ = 269628213629310. Its totient is φ = 269628213629308.

The previous prime is 269628213629267. The next prime is 269628213629353. The reversal of 269628213629309 is 903926312826962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258620270805625 + 11007942823684 = 16081675^2 + 3317822^2 .

It is a cyclic number.

It is not a de Polignac number, because 269628213629309 - 2¹⁶ = 269628213563773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269628213629399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134814106814654 + 134814106814655.

It is an arithmetic number, because the mean of its divisors is an integer number (134814106814655).

Almost surely, 2^{269628213629309} is an apocalyptic number.

It is an amenable number.

269628213629309 is a deficient number, since it is larger than the sum of its proper divisors (1).

269628213629309 is an equidigital number, since it uses as much as digits as its factorization.

269628213629309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181398528, while the sum is 68.

The spelling of 269628213629309 in words is "two hundred sixty-nine trillion, six hundred twenty-eight billion, two hundred thirteen million, six hundred twenty-nine thousand, three hundred nine".