1675378189 has 4 divisors (see below), whose sum is σ = 1675634620. Its totient is φ = 1675121760.

The previous prime is 1675378183. The next prime is 1675378193. The reversal of 1675378189 is 9818735761.

It is a happy number.

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 1153621225 + 521756964 = 33965^2 + 22842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1675378189 - 2¹¹ = 1675376141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1675378183) 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 in 3 ways as a sum of consecutive naturals, for example, 118152 + ... + 131569.

It is an arithmetic number, because the mean of its divisors is an integer number (418908655).

Almost surely, 2^1675378189 is an apocalyptic number.

It is an amenable number.

1675378189 is a deficient number, since it is larger than the sum of its proper divisors (256431).

1675378189 is an equidigital number, since it uses as much as digits as its factorization.

1675378189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256430.

The product of its digits is 2540160, while the sum is 55.

The square root of 1675378189 is about 40931.3839125921. The cubic root of 1675378189 is about 1187.6932431444.

The spelling of 1675378189 in words is "one billion, six hundred seventy-five million, three hundred seventy-eight thousand, one hundred eighty-nine".