169892117628913 has 2 divisors, whose sum is σ = 169892117628914. Its totient is φ = 169892117628912.

The previous prime is 169892117628889. The next prime is 169892117628983. The reversal of 169892117628913 is 319826711298961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155898622767969 + 13993494860944 = 12485937^2 + 3740788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169892117628913 is a prime.

It is a super-2 number, since 2×169892117628913² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (169892117628983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84946058814456 + 84946058814457.

It is an arithmetic number, because the mean of its divisors is an integer number (84946058814457).

Almost surely, 2^{169892117628913} is an apocalyptic number.

It is an amenable number.

169892117628913 is a deficient number, since it is larger than the sum of its proper divisors (1).

169892117628913 is an equidigital number, since it uses as much as digits as its factorization.

169892117628913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 73.

The spelling of 169892117628913 in words is "one hundred sixty-nine trillion, eight hundred ninety-two billion, one hundred seventeen million, six hundred twenty-eight thousand, nine hundred thirteen".