2104615449 has 24 divisors (see below), whose sum is σ = 3056631552. Its totient is φ = 1395426240.

The previous prime is 2104615433. The next prime is 2104615459. The reversal of 2104615449 is 9445164012.

2104615449 is a `hidden beast` number, since 2 + 104 + 6 + 1 + 544 + 9 = 666.

It is not a de Polignac number, because 2104615449 - 2⁴ = 2104615433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104615459) 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 23 ways as a sum of consecutive naturals, for example, 1720252 + ... + 1721474.

It is an arithmetic number, because the mean of its divisors is an integer number (127359648).

Almost surely, 2^2104615449 is an apocalyptic number.

It is an amenable number.

2104615449 is a deficient number, since it is larger than the sum of its proper divisors (952016103).

2104615449 is a wasteful number, since it uses less digits than its factorization.

2104615449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2104615449 is about 45876.0879870985. The cubic root of 2104615449 is about 1281.5166448362.

The spelling of 2104615449 in words is "two billion, one hundred four million, six hundred fifteen thousand, four hundred forty-nine".