13373519665 has 8 divisors (see below), whose sum is σ = 17507153088. Its totient is φ = 9726196080.

The previous prime is 13373519641. The next prime is 13373519713. The reversal of 13373519665 is 56691537331.

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

It is not a de Polignac number, because 13373519665 - 2⁹ = 13373519153 is a prime.

It is a Duffinian number.

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, 121577397 + ... + 121577506.

It is an arithmetic number, because the mean of its divisors is an integer number (2188394136).

Almost surely, 2^13373519665 is an apocalyptic number.

It is an amenable number.

13373519665 is a deficient number, since it is larger than the sum of its proper divisors (4133633423).

13373519665 is a wasteful number, since it uses less digits than its factorization.

13373519665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243154919.

The product of its digits is 1530900, while the sum is 49.

The spelling of 13373519665 in words is "thirteen billion, three hundred seventy-three million, five hundred nineteen thousand, six hundred sixty-five".