675846389 has 4 divisors (see below), whose sum is σ = 686925900. Its totient is φ = 664766880.

The previous prime is 675846377. The next prime is 675846427. The reversal of 675846389 is 983648576.

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 51696100 + 624150289 = 7190^2 + 24983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675846389 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 (675846349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539664 + ... + 5539785.

It is an arithmetic number, because the mean of its divisors is an integer number (171731475).

Almost surely, 2^675846389 is an apocalyptic number.

It is an amenable number.

675846389 is a deficient number, since it is larger than the sum of its proper divisors (11079511).

675846389 is a wasteful number, since it uses less digits than its factorization.

675846389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079510.

The product of its digits is 8709120, while the sum is 56.

The square root of 675846389 is about 25997.0457744721. The cubic root of 675846389 is about 877.5718137237.

The spelling of 675846389 in words is "six hundred seventy-five million, eight hundred forty-six thousand, three hundred eighty-nine".