675479689 has 2 divisors, whose sum is σ = 675479690. Its totient is φ = 675479688.

The previous prime is 675479669. The next prime is 675479737. The reversal of 675479689 is 986974576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361304064 + 314175625 = 19008^2 + 17725^2 .

It is a cyclic number.

It is not a de Polignac number, because 675479689 - 2⁹ = 675479177 is a prime.

It is not a weakly prime, because it can be changed into another prime (675479639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337739844 + 337739845.

It is an arithmetic number, because the mean of its divisors is an integer number (337739845).

Almost surely, 2^675479689 is an apocalyptic number.

It is an amenable number.

675479689 is a deficient number, since it is larger than the sum of its proper divisors (1).

675479689 is an equidigital number, since it uses as much as digits as its factorization.

675479689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 61.

The square root of 675479689 is about 25989.9920931115. The cubic root of 675479689 is about 877.4130676888.

The spelling of 675479689 in words is "six hundred seventy-five million, four hundred seventy-nine thousand, six hundred eighty-nine".