2104245513 has 32 divisors (see below), whose sum is σ = 3169804800. Its totient is φ = 1379369088.

The previous prime is 2104245509. The next prime is 2104245527. The reversal of 2104245513 is 3155424012.

2104245513 is a `hidden beast` number, since 2 + 104 + 2 + 4 + 551 + 3 = 666.

It is not a de Polignac number, because 2104245513 - 2² = 2104245509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2104245503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721903 + ... + 724811.

It is an arithmetic number, because the mean of its divisors is an integer number (99056400).

Almost surely, 2^2104245513 is an apocalyptic number.

It is an amenable number.

2104245513 is a deficient number, since it is larger than the sum of its proper divisors (1065559287).

2104245513 is a wasteful number, since it uses less digits than its factorization.

2104245513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2104245513 is about 45872.0559055292. The cubic root of 2104245513 is about 1281.4415548047.

Adding to 2104245513 its reverse (3155424012), we get a palindrome (5259669525).

The spelling of 2104245513 in words is "two billion, one hundred four million, two hundred forty-five thousand, five hundred thirteen".