13003761665 has 8 divisors (see below), whose sum is σ = 15837417600. Its totient is φ = 10247740272.

The previous prime is 13003761593. The next prime is 13003761691. The reversal of 13003761665 is 56616730031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13003761665 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19408265 + ... + 19408934.

It is an arithmetic number, because the mean of its divisors is an integer number (1979677200).

Almost surely, 2^13003761665 is an apocalyptic number.

It is an amenable number.

13003761665 is a deficient number, since it is larger than the sum of its proper divisors (2833655935).

13003761665 is an equidigital number, since it uses as much as digits as its factorization.

13003761665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38817271.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 13003761665 in words is "thirteen billion, three million, seven hundred sixty-one thousand, six hundred sixty-five".