155063423269 has 2 divisors, whose sum is σ = 155063423270. Its totient is φ = 155063423268.

The previous prime is 155063423243. The next prime is 155063423311. The reversal of 155063423269 is 962324360551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154655787169 + 407636100 = 393263^2 + 20190^2 .

It is a cyclic number.

It is not a de Polignac number, because 155063423269 - 2¹⁹ = 155062898981 is a prime.

It is a super-2 number, since 2×155063423269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155063423209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77531711634 + 77531711635.

It is an arithmetic number, because the mean of its divisors is an integer number (77531711635).

Almost surely, 2^155063423269 is an apocalyptic number.

It is an amenable number.

155063423269 is a deficient number, since it is larger than the sum of its proper divisors (1).

155063423269 is an equidigital number, since it uses as much as digits as its factorization.

155063423269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 155063423269 in words is "one hundred fifty-five billion, sixty-three million, four hundred twenty-three thousand, two hundred sixty-nine".