2103605995 has 16 divisors (see below), whose sum is σ = 2658689280. Its totient is φ = 1593410400.

The previous prime is 2103605969. The next prime is 2103606023. The reversal of 2103605995 is 5995063012.

It is a happy number.

It is not a de Polignac number, because 2103605995 - 2¹¹ = 2103603947 is a prime.

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, 197250 + ... + 207640.

It is an arithmetic number, because the mean of its divisors is an integer number (166168080).

Almost surely, 2^2103605995 is an apocalyptic number.

2103605995 is a deficient number, since it is larger than the sum of its proper divisors (555083285).

2103605995 is a wasteful number, since it uses less digits than its factorization.

2103605995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12546.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 2103605995 is about 45865.0847050346. The cubic root of 2103605995 is about 1281.3117239509.

The spelling of 2103605995 in words is "two billion, one hundred three million, six hundred five thousand, nine hundred ninety-five".