12803741665 has 24 divisors (see below), whose sum is σ = 18149781888. Its totient is φ = 8595512640.

The previous prime is 12803741597. The next prime is 12803741707. The reversal of 12803741665 is 56614730821.

It is not a de Polignac number, because 12803741665 - 2¹⁹ = 12803217377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679449 + ... + 698038.

It is an arithmetic number, because the mean of its divisors is an integer number (756240912).

Almost surely, 2^12803741665 is an apocalyptic number.

It is an amenable number.

12803741665 is a deficient number, since it is larger than the sum of its proper divisors (5346040223).

12803741665 is a wasteful number, since it uses less digits than its factorization.

12803741665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377529 (or 1377516 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12803741665 in words is "twelve billion, eight hundred three million, seven hundred forty-one thousand, six hundred sixty-five".