2103445187 has 2 divisors, whose sum is σ = 2103445188. Its totient is φ = 2103445186.

The previous prime is 2103445177. The next prime is 2103445189. The reversal of 2103445187 is 7815443012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103445187 - 2¹² = 2103441091 is a prime.

Together with 2103445189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2103445189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051722593 + 1051722594.

It is an arithmetic number, because the mean of its divisors is an integer number (1051722594).

Almost surely, 2^2103445187 is an apocalyptic number.

2103445187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103445187 is an equidigital number, since it uses as much as digits as its factorization.

2103445187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2103445187 is about 45863.3316168810. The cubic root of 2103445187 is about 1281.2790735992.

Adding to 2103445187 its reverse (7815443012), we get a palindrome (9918888199).

The spelling of 2103445187 in words is "two billion, one hundred three million, four hundred forty-five thousand, one hundred eighty-seven".