675989109 has 24 divisors (see below), whose sum is σ = 1004465280. Its totient is φ = 437859648.

The previous prime is 675989107. The next prime is 675989117. The reversal of 675989109 is 901989576.

It is not a de Polignac number, because 675989109 - 2¹ = 675989107 is a prime.

It is a super-2 number, since 2×675989109² = 913922550973227762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675989107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53049 + ... + 64545.

It is an arithmetic number, because the mean of its divisors is an integer number (41852720).

Almost surely, 2^675989109 is an apocalyptic number.

It is an amenable number.

675989109 is a deficient number, since it is larger than the sum of its proper divisors (328476171).

675989109 is a wasteful number, since it uses less digits than its factorization.

675989109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11689 (or 11686 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 675989109 is about 25999.7905568487. The cubic root of 675989109 is about 877.6335823130.

The spelling of 675989109 in words is "six hundred seventy-five million, nine hundred eighty-nine thousand, one hundred nine".