2768063669 has 4 divisors (see below), whose sum is σ = 3163501344. Its totient is φ = 2372625996.

The previous prime is 2768063629. The next prime is 2768063677. The reversal of 2768063669 is 9663608672.

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-2768063669 is a prime.

It is a super-2 number, since 2×2768063669² = 15324352951275483122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2768063669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768063629) 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, 197718827 + ... + 197718840.

It is an arithmetic number, because the mean of its divisors is an integer number (790875336).

Almost surely, 2^2768063669 is an apocalyptic number.

It is an amenable number.

2768063669 is a deficient number, since it is larger than the sum of its proper divisors (395437675).

2768063669 is an equidigital number, since it uses as much as digits as its factorization.

2768063669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395437674.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 2768063669 is about 52612.3908314382. The cubic root of 2768063669 is about 1404.0805556345.

The spelling of 2768063669 in words is "two billion, seven hundred sixty-eight million, sixty-three thousand, six hundred sixty-nine".