174428254252457 has 2 divisors, whose sum is σ = 174428254252458. Its totient is φ = 174428254252456.

The previous prime is 174428254252397. The next prime is 174428254252481. The reversal of 174428254252457 is 754252452824471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130816772250256 + 43611482002201 = 11437516^2 + 6603899^2 .

It is a cyclic number.

It is not a de Polignac number, because 174428254252457 - 2¹² = 174428254248361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 174428254252457.

It is not a weakly prime, because it can be changed into another prime (174428254222457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87214127126228 + 87214127126229.

It is an arithmetic number, because the mean of its divisors is an integer number (87214127126229).

Almost surely, 2^{174428254252457} is an apocalyptic number.

It is an amenable number.

174428254252457 is a deficient number, since it is larger than the sum of its proper divisors (1).

174428254252457 is an equidigital number, since it uses as much as digits as its factorization.

174428254252457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200704000, while the sum is 62.

The spelling of 174428254252457 in words is "one hundred seventy-four trillion, four hundred twenty-eight billion, two hundred fifty-four million, two hundred fifty-two thousand, four hundred fifty-seven".