2768005663909 has 8 divisors (see below), whose sum is σ = 2769464823840. Its totient is φ = 2766546774096.

The previous prime is 2768005663859. The next prime is 2768005663919. The reversal of 2768005663909 is 9093665008672.

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 2768005663909 - 2¹⁵ = 2768005631141 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 (2768005663919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22366002 + ... + 22489420.

It is an arithmetic number, because the mean of its divisors is an integer number (346183102980).

Almost surely, 2^{2768005663909} is an apocalyptic number.

It is an amenable number.

2768005663909 is a deficient number, since it is larger than the sum of its proper divisors (1459159931).

2768005663909 is a wasteful number, since it uses less digits than its factorization.

2768005663909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135059.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 2768005663909 in words is "two trillion, seven hundred sixty-eight billion, five million, six hundred sixty-three thousand, nine hundred nine".