708040189 has 2 divisors, whose sum is σ = 708040190. Its totient is φ = 708040188.

The previous prime is 708040183. The next prime is 708040243. The reversal of 708040189 is 981040807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704000089 + 4040100 = 26533^2 + 2010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-708040189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708040183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354020094 + 354020095.

It is an arithmetic number, because the mean of its divisors is an integer number (354020095).

Almost surely, 2^708040189 is an apocalyptic number.

It is an amenable number.

708040189 is a deficient number, since it is larger than the sum of its proper divisors (1).

708040189 is an equidigital number, since it uses as much as digits as its factorization.

708040189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 708040189 is about 26609.0245781389. The cubic root of 708040189 is about 891.2905524962.

The spelling of 708040189 in words is "seven hundred eight million, forty thousand, one hundred eighty-nine".