2103538506 has 32 divisors (see below), whose sum is σ = 4227050880. Its totient is φ = 697859904.

The previous prime is 2103538487. The next prime is 2103538517. The reversal of 2103538506 is 6058353012.

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, 1733556 + ... + 1734768.

It is an arithmetic number, because the mean of its divisors is an integer number (132095340).

Almost surely, 2^2103538506 is an apocalyptic number.

2103538506 is an abundant number, since it is smaller than the sum of its proper divisors (2123512374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103538506 is a wasteful number, since it uses less digits than its factorization.

2103538506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2103538506 is about 45864.3489651821. The cubic root of 2103538506 is about 1281.2980212309.

The spelling of 2103538506 in words is "two billion, one hundred three million, five hundred thirty-eight thousand, five hundred six".