108570820609 has 4 divisors (see below), whose sum is σ = 108583958740. Its totient is φ = 108557682480.

The previous prime is 108570820583. The next prime is 108570820663. The reversal of 108570820609 is 906028075801.

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 71314100209 + 37256720400 = 267047^2 + 193020^2 .

It is a cyclic number.

It is not a de Polignac number, because 108570820609 - 2²¹ = 108568723457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108570820679) 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, 6556662 + ... + 6573199.

It is an arithmetic number, because the mean of its divisors is an integer number (27145989685).

Almost surely, 2^108570820609 is an apocalyptic number.

It is an amenable number.

108570820609 is a deficient number, since it is larger than the sum of its proper divisors (13138131).

108570820609 is an equidigital number, since it uses as much as digits as its factorization.

108570820609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138130.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 108570820609 in words is "one hundred eight billion, five hundred seventy million, eight hundred twenty thousand, six hundred nine".