170675455453 has 2 divisors, whose sum is σ = 170675455454. Its totient is φ = 170675455452.

The previous prime is 170675455451. The next prime is 170675455459. The reversal of 170675455453 is 354554576071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139310337049 + 31365118404 = 373243^2 + 177102^2 .

It is a cyclic number.

It is not a de Polignac number, because 170675455453 - 2¹ = 170675455451 is a prime.

It is a super-2 number, since 2×170675455453² (a number of 23 digits) contains 22 as substring.

Together with 170675455451, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 170675455453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170675455451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85337727726 + 85337727727.

It is an arithmetic number, because the mean of its divisors is an integer number (85337727727).

Almost surely, 2^170675455453 is an apocalyptic number.

It is an amenable number.

170675455453 is a deficient number, since it is larger than the sum of its proper divisors (1).

170675455453 is an equidigital number, since it uses as much as digits as its factorization.

170675455453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 170675455453 in words is "one hundred seventy billion, six hundred seventy-five million, four hundred fifty-five thousand, four hundred fifty-three".