2769091049 has 4 divisors (see below), whose sum is σ = 2889486336. Its totient is φ = 2648695764.

The previous prime is 2769090997. The next prime is 2769091079. The reversal of 2769091049 is 9401909672.

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 a de Polignac number, because none of the positive numbers 2^k-2769091049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2769090994 and 2769091012.

It is not an unprimeable number, because it can be changed into a prime (2769091079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60197609 + ... + 60197654.

It is an arithmetic number, because the mean of its divisors is an integer number (722371584).

Almost surely, 2^2769091049 is an apocalyptic number.

It is an amenable number.

2769091049 is a deficient number, since it is larger than the sum of its proper divisors (120395287).

2769091049 is a wasteful number, since it uses less digits than its factorization.

2769091049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120395286.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 2769091049 is about 52622.1535952302. The cubic root of 2769091049 is about 1404.2542445405.

The spelling of 2769091049 in words is "two billion, seven hundred sixty-nine million, ninety-one thousand, forty-nine".