675381918089 has 4 divisors (see below), whose sum is σ = 676859778324. Its totient is φ = 673904057856.

The previous prime is 675381918073. The next prime is 675381918109. The reversal of 675381918089 is 980819183576.

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 641568960400 + 33812957689 = 800980^2 + 183883^2 .

It is a cyclic number.

It is not a de Polignac number, because 675381918089 - 2⁴ = 675381918073 is a prime.

It is a super-2 number, since 2×675381918089² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675381918049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738929432 + ... + 738930345.

It is an arithmetic number, because the mean of its divisors is an integer number (169214944581).

Almost surely, 2^675381918089 is an apocalyptic number.

It is an amenable number.

675381918089 is a deficient number, since it is larger than the sum of its proper divisors (1477860235).

675381918089 is a wasteful number, since it uses less digits than its factorization.

675381918089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477860234.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 675381918089 in words is "six hundred seventy-five billion, three hundred eighty-one million, nine hundred eighteen thousand, eighty-nine".