1080913709 has 4 divisors (see below), whose sum is σ = 1107277500. Its totient is φ = 1054549920.

The previous prime is 1080913657. The next prime is 1080913753. The reversal of 1080913709 is 9073190801.

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 288660100 + 792253609 = 16990^2 + 28147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080913709 - 2¹⁶ = 1080848173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080913759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13181834 + ... + 13181915.

It is an arithmetic number, because the mean of its divisors is an integer number (276819375).

Almost surely, 2^1080913709 is an apocalyptic number.

It is an amenable number.

1080913709 is a deficient number, since it is larger than the sum of its proper divisors (26363791).

1080913709 is an equidigital number, since it uses as much as digits as its factorization.

1080913709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26363790.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1080913709 is about 32877.2521509934. The cubic root of 1080913709 is about 1026.2748235621.

The spelling of 1080913709 in words is "one billion, eighty million, nine hundred thirteen thousand, seven hundred nine".