2104836505 has 16 divisors (see below), whose sum is σ = 2583524160. Its totient is φ = 1645720768.

The previous prime is 2104836497. The next prime is 2104836529. The reversal of 2104836505 is 5056384012.

It is a cyclic number.

It is not a de Polignac number, because 2104836505 - 2³ = 2104836497 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30414 + ... + 71656.

It is an arithmetic number, because the mean of its divisors is an integer number (161470260).

Almost surely, 2^2104836505 is an apocalyptic number.

It is an amenable number.

2104836505 is a deficient number, since it is larger than the sum of its proper divisors (478687655).

2104836505 is a wasteful number, since it uses less digits than its factorization.

2104836505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41480.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2104836505 is about 45878.4971963991. The cubic root of 2104836505 is about 1281.5615108355.

The spelling of 2104836505 in words is "two billion, one hundred four million, eight hundred thirty-six thousand, five hundred five".