1700000149 has 2 divisors, whose sum is σ = 1700000150. Its totient is φ = 1700000148.

The previous prime is 1700000147. The next prime is 1700000191. The reversal of 1700000149 is 9410000071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1020355249 + 679644900 = 31943^2 + 26070^2 .

It is an emirp because it is prime and its reverse (9410000071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1700000149 - 2¹ = 1700000147 is a prime.

Together with 1700000147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1700000147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850000074 + 850000075.

It is an arithmetic number, because the mean of its divisors is an integer number (850000075).

Almost surely, 2^1700000149 is an apocalyptic number.

It is an amenable number.

1700000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1700000149 is an equidigital number, since it uses as much as digits as its factorization.

1700000149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1700000149 is about 41231.0580630670. The cubic root of 1700000149 is about 1193.4832267958.

The spelling of 1700000149 in words is "one billion, seven hundred million, one hundred forty-nine", and thus it is an aban number.