2104687505 has 16 divisors (see below), whose sum is σ = 2575831104. Its totient is φ = 1650342720.

The previous prime is 2104687493. The next prime is 2104687511. The reversal of 2104687505 is 5057864012.

It is not a de Polignac number, because 2104687505 - 2²⁴ = 2087910289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311210 + ... + 317900.

It is an arithmetic number, because the mean of its divisors is an integer number (160989444).

Almost surely, 2^2104687505 is an apocalyptic number.

It is an amenable number.

2104687505 is a deficient number, since it is larger than the sum of its proper divisors (471143599).

2104687505 is a wasteful number, since it uses less digits than its factorization.

2104687505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2104687505 is about 45876.8733132501. The cubic root of 2104687505 is about 1281.5312698215.

The spelling of 2104687505 in words is "two billion, one hundred four million, six hundred eighty-seven thousand, five hundred five".