174070820849 has 2 divisors, whose sum is σ = 174070820850. Its totient is φ = 174070820848.

The previous prime is 174070820809. The next prime is 174070820887. The reversal of 174070820849 is 948028070471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173945716624 + 125104225 = 417068^2 + 11185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-174070820849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 174070820797 and 174070820806.

It is not a weakly prime, because it can be changed into another prime (174070820809) 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, 87035410424 + 87035410425.

It is an arithmetic number, because the mean of its divisors is an integer number (87035410425).

Almost surely, 2^174070820849 is an apocalyptic number.

It is an amenable number.

174070820849 is a deficient number, since it is larger than the sum of its proper divisors (1).

174070820849 is an equidigital number, since it uses as much as digits as its factorization.

174070820849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 174070820849 in words is "one hundred seventy-four billion, seventy million, eight hundred twenty thousand, eight hundred forty-nine".