169428236117843 has 2 divisors, whose sum is σ = 169428236117844. Its totient is φ = 169428236117842.

The previous prime is 169428236117773. The next prime is 169428236117851. The reversal of 169428236117843 is 348711632824961.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169428236117843 - 2¹⁰ = 169428236116819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 169428236117843.

It is not a weakly prime, because it can be changed into another prime (169428236110843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84714118058921 + 84714118058922.

It is an arithmetic number, because the mean of its divisors is an integer number (84714118058922).

Almost surely, 2^{169428236117843} is an apocalyptic number.

169428236117843 is a deficient number, since it is larger than the sum of its proper divisors (1).

169428236117843 is an equidigital number, since it uses as much as digits as its factorization.

169428236117843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 65.

The spelling of 169428236117843 in words is "one hundred sixty-nine trillion, four hundred twenty-eight billion, two hundred thirty-six million, one hundred seventeen thousand, eight hundred forty-three".