2765381796944 has 20 divisors (see below), whose sum is σ = 5770075480596. Its totient is φ = 1276330060032.

The previous prime is 2765381796923. The next prime is 2765381796997. The reversal of 2765381796944 is 4496971835672.

It can be written as a sum of positive squares in 2 ways, for example, as 203141306944 + 2562240490000 = 450712^2 + 1600700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647552189 + ... + 6647552604.

Almost surely, 2^{2765381796944} is an apocalyptic number.

It is an amenable number.

2765381796944 is an abundant number, since it is smaller than the sum of its proper divisors (3004693683652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765381796944 is a wasteful number, since it uses less digits than its factorization.

2765381796944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13295104814 (or 13295104808 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 71.

The spelling of 2765381796944 in words is "two trillion, seven hundred sixty-five billion, three hundred eighty-one million, seven hundred ninety-six thousand, nine hundred forty-four".