2013104340645 has 64 divisors (see below), whose sum is σ = 3333212467200. Its totient is φ = 1036835654400.

The previous prime is 2013104340631. The next prime is 2013104340679. The reversal of 2013104340645 is 5460434013102.

It is a happy number.

It is not a de Polignac number, because 2013104340645 - 2⁶ = 2013104340581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46817766 + ... + 46860744.

It is an arithmetic number, because the mean of its divisors is an integer number (52081444800).

Almost surely, 2^{2013104340645} is an apocalyptic number.

It is an amenable number.

2013104340645 is a deficient number, since it is larger than the sum of its proper divisors (1320108126555).

2013104340645 is a wasteful number, since it uses less digits than its factorization.

2013104340645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43850.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2013104340645 its reverse (5460434013102), we get a palindrome (7473538353747).

The spelling of 2013104340645 in words is "two trillion, thirteen billion, one hundred four million, three hundred forty thousand, six hundred forty-five".