2013403345 has 16 divisors (see below), whose sum is σ = 2496678912. Its totient is φ = 1557103680.

The previous prime is 2013403331. The next prime is 2013403361. The reversal of 2013403345 is 5433043102.

It is not a de Polignac number, because 2013403345 - 2¹⁷ = 2013272273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150604 + ... + 163426.

It is an arithmetic number, because the mean of its divisors is an integer number (156042432).

Almost surely, 2^2013403345 is an apocalyptic number.

It is an amenable number.

2013403345 is a deficient number, since it is larger than the sum of its proper divisors (483275567).

2013403345 is a wasteful number, since it uses less digits than its factorization.

2013403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2013403345 is about 44870.9632724772. The cubic root of 2013403345 is about 1262.7293119396.

Adding to 2013403345 its reverse (5433043102), we get a palindrome (7446446447).

The spelling of 2013403345 in words is "two billion, thirteen million, four hundred three thousand, three hundred forty-five".