2103554441 has 2 divisors, whose sum is σ = 2103554442. Its totient is φ = 2103554440.

The previous prime is 2103554413. The next prime is 2103554443. The reversal of 2103554441 is 1444553012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2070250000 + 33304441 = 45500^2 + 5771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103554441 is a prime.

It is a Sophie Germain prime.

Together with 2103554443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2103554443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051777220 + 1051777221.

It is an arithmetic number, because the mean of its divisors is an integer number (1051777221).

Almost surely, 2^2103554441 is an apocalyptic number.

It is an amenable number.

2103554441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103554441 is an equidigital number, since it uses as much as digits as its factorization.

2103554441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2103554441 is about 45864.5226836604. The cubic root of 2103554441 is about 1281.3012566415.

The spelling of 2103554441 in words is "two billion, one hundred three million, five hundred fifty-four thousand, four hundred forty-one".