2104645113 has 24 divisors (see below), whose sum is σ = 3154788000. Its totient is φ = 1402139808.

The previous prime is 2104645091. The next prime is 2104645117. The reversal of 2104645113 is 3115464012.

It is a happy number.

2104645113 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 645 + 1 + 13 = 666.

It is not a de Polignac number, because 2104645113 - 2¹³ = 2104636921 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 (2104645117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654253 + ... + 657461.

It is an arithmetic number, because the mean of its divisors is an integer number (131449500).

Almost surely, 2^2104645113 is an apocalyptic number.

It is an amenable number.

2104645113 is a deficient number, since it is larger than the sum of its proper divisors (1050142887).

2104645113 is an equidigital number, since it uses as much as digits as its factorization.

2104645113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2104645113 is about 45876.4112916431. The cubic root of 2104645113 is about 1281.5226656877.

The spelling of 2104645113 in words is "two billion, one hundred four million, six hundred forty-five thousand, one hundred thirteen".