2104213013 has 16 divisors (see below), whose sum is σ = 2452882176. Its totient is φ = 1767857280.

The previous prime is 2104212989. The next prime is 2104213019. The reversal of 2104213013 is 3103124012.

It is not a de Polignac number, because 2104213013 - 2²⁶ = 2037104149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104212982 and 2104213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104213019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73745 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (153305136).

Almost surely, 2^2104213013 is an apocalyptic number.

It is an amenable number.

2104213013 is a deficient number, since it is larger than the sum of its proper divisors (348669163).

2104213013 is a wasteful number, since it uses less digits than its factorization.

2104213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24724.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2104213013 is about 45871.7016579939. The cubic root of 2104213013 is about 1281.4349574971.

Adding to 2104213013 its reverse (3103124012), we get a palindrome (5207337025).

The spelling of 2104213013 in words is "two billion, one hundred four million, two hundred thirteen thousand, thirteen".