2003665316353 has 4 divisors (see below), whose sum is σ = 2003735454640. Its totient is φ = 2003595178068.

The previous prime is 2003665316329. The next prime is 2003665316363. The reversal of 2003665316353 is 3536135663002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003665316353 - 2²⁹ = 2003128445441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003665316363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35026275 + ... + 35083432.

It is an arithmetic number, because the mean of its divisors is an integer number (500933863660).

Almost surely, 2^{2003665316353} is an apocalyptic number.

It is an amenable number.

2003665316353 is a deficient number, since it is larger than the sum of its proper divisors (70138287).

2003665316353 is an equidigital number, since it uses as much as digits as its factorization.

2003665316353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70138286.

The product of its (nonzero) digits is 874800, while the sum is 43.

The spelling of 2003665316353 in words is "two trillion, three billion, six hundred sixty-five million, three hundred sixteen thousand, three hundred fifty-three".