2103289885 has 16 divisors (see below), whose sum is σ = 2543012784. Its totient is φ = 1669957632.

The previous prime is 2103289883. The next prime is 2103289927. The reversal of 2103289885 is 5889823012.

It can be written as a sum of positive squares in 8 ways, for example, as 183710916 + 1919578969 = 13554^2 + 43813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103289885 - 2¹ = 2103289883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103289883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580339 + ... + 583951.

It is an arithmetic number, because the mean of its divisors is an integer number (158938299).

Almost surely, 2^2103289885 is an apocalyptic number.

It is an amenable number.

2103289885 is a deficient number, since it is larger than the sum of its proper divisors (439722899).

2103289885 is a wasteful number, since it uses less digits than its factorization.

2103289885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 2103289885 is about 45861.6384901368. The cubic root of 2103289885 is about 1281.2475396027.

The spelling of 2103289885 in words is "two billion, one hundred three million, two hundred eighty-nine thousand, eight hundred eighty-five".