1086958609 has 12 divisors (see below), whose sum is σ = 1217305908. Its totient is φ = 969494240.

The previous prime is 1086958603. The next prime is 1086958637. The reversal of 1086958609 is 9068596801.

It can be written as a sum of positive squares in 2 ways, for example, as 898500625 + 188457984 = 29975^2 + 13728^2 .

It is not a de Polignac number, because 1086958609 - 2⁵ = 1086958577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1086958603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78334 + ... + 91159.

It is an arithmetic number, because the mean of its divisors is an integer number (101442159).

Almost surely, 2^1086958609 is an apocalyptic number.

It is an amenable number.

1086958609 is a deficient number, since it is larger than the sum of its proper divisors (130347299).

1086958609 is a wasteful number, since it uses less digits than its factorization.

1086958609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169568 (or 169557 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 1086958609 is about 32969.0553246525. The cubic root of 1086958609 is about 1028.1843808351.

The spelling of 1086958609 in words is "one billion, eighty-six million, nine hundred fifty-eight thousand, six hundred nine".