675719189 has 4 divisors (see below), whose sum is σ = 682409580. Its totient is φ = 669028800.

The previous prime is 675719167. The next prime is 675719201. The reversal of 675719189 is 981917576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 605996689 + 69722500 = 24617^2 + 8350^2 .

It is a cyclic number.

It is not a de Polignac number, because 675719189 - 2¹² = 675715093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 675719189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675719119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345044 + ... + 3345245.

It is an arithmetic number, because the mean of its divisors is an integer number (170602395).

Almost surely, 2^675719189 is an apocalyptic number.

It is an amenable number.

675719189 is a deficient number, since it is larger than the sum of its proper divisors (6690391).

675719189 is a wasteful number, since it uses less digits than its factorization.

675719189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690390.

The product of its digits is 952560, while the sum is 53.

The square root of 675719189 is about 25994.5992275319. The cubic root of 675719189 is about 877.5167547930.

The spelling of 675719189 in words is "six hundred seventy-five million, seven hundred nineteen thousand, one hundred eighty-nine".