2105648615 has 16 divisors (see below), whose sum is σ = 2889216000. Its totient is φ = 1443138720.

The previous prime is 2105648563. The next prime is 2105648627. The reversal of 2105648615 is 5168465012.

It is a happy number.

It is not a de Polignac number, because 2105648615 - 2²⁰ = 2104600039 is a prime.

It is a congruent 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, 59636 + ... + 88134.

It is an arithmetic number, because the mean of its divisors is an integer number (180576000).

Almost surely, 2^2105648615 is an apocalyptic number.

2105648615 is a deficient number, since it is larger than the sum of its proper divisors (783567385).

2105648615 is a wasteful number, since it uses less digits than its factorization.

2105648615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30622.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2105648615 is about 45887.3470032862. The cubic root of 2105648615 is about 1281.7263114572.

The spelling of 2105648615 in words is "two billion, one hundred five million, six hundred forty-eight thousand, six hundred fifteen".