169393936997 has 2 divisors, whose sum is σ = 169393936998. Its totient is φ = 169393936996.

The previous prime is 169393936991. The next prime is 169393937021. The reversal of 169393936997 is 799639393961.

169393936997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158934579556 + 10459357441 = 398666^2 + 102271^2 .

It is a cyclic number.

It is not a de Polignac number, because 169393936997 - 2²⁶ = 169326828133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169393936991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84696968498 + 84696968499.

It is an arithmetic number, because the mean of its divisors is an integer number (84696968499).

Almost surely, 2^169393936997 is an apocalyptic number.

It is an amenable number.

169393936997 is a deficient number, since it is larger than the sum of its proper divisors (1).

169393936997 is an equidigital number, since it uses as much as digits as its factorization.

169393936997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 401769396, while the sum is 74.

The spelling of 169393936997 in words is "one hundred sixty-nine billion, three hundred ninety-three million, nine hundred thirty-six thousand, nine hundred ninety-seven".