2081575765 has 8 divisors (see below), whose sum is σ = 2535173280. Its totient is φ = 1640405712.

The previous prime is 2081575759. The next prime is 2081575843. The reversal of 2081575765 is 5675751802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081575765 - 2³ = 2081575757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106495 + ... + 3107164.

It is an arithmetic number, because the mean of its divisors is an integer number (316896660).

Almost surely, 2^2081575765 is an apocalyptic number.

It is an amenable number.

2081575765 is a deficient number, since it is larger than the sum of its proper divisors (453597515).

2081575765 is an equidigital number, since it uses as much as digits as its factorization.

2081575765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213731.

The product of its (nonzero) digits is 588000, while the sum is 46.

The square root of 2081575765 is about 45624.2891999426. The cubic root of 2081575765 is about 1276.8231286250.

It can be divided in two parts, 20815 and 75765, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 2081575765 in words is "two billion, eighty-one million, five hundred seventy-five thousand, seven hundred sixty-five".