2080660769 has 4 divisors (see below), whose sum is σ = 2269811760. Its totient is φ = 1891509780.

The previous prime is 2080660763. The next prime is 2080660781. The reversal of 2080660769 is 9670660802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2080660769 - 2⁸ = 2080660513 is a prime.

It is a super-3 number, since 3×2080660769³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080660763) 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, 94575479 + ... + 94575500.

It is an arithmetic number, because the mean of its divisors is an integer number (567452940).

Almost surely, 2^2080660769 is an apocalyptic number.

It is an amenable number.

2080660769 is a deficient number, since it is larger than the sum of its proper divisors (189150991).

2080660769 is a wasteful number, since it uses less digits than its factorization.

2080660769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189150990.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2080660769 is about 45614.2605881099. The cubic root of 2080660769 is about 1276.6360172872.

The spelling of 2080660769 in words is "two billion, eighty million, six hundred sixty thousand, seven hundred sixty-nine".