2103544393 has 2 divisors, whose sum is σ = 2103544394. Its totient is φ = 2103544392.

The previous prime is 2103544369. The next prime is 2103544403. The reversal of 2103544393 is 3934453012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2102405904 + 1138489 = 45852^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103544393 - 2⁹ = 2103543881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103574393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051772196 + 1051772197.

It is an arithmetic number, because the mean of its divisors is an integer number (1051772197).

Almost surely, 2^2103544393 is an apocalyptic number.

It is an amenable number.

2103544393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103544393 is an equidigital number, since it uses as much as digits as its factorization.

2103544393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2103544393 is about 45864.4131435256. The cubic root of 2103544393 is about 1281.2992165175.

The spelling of 2103544393 in words is "two billion, one hundred three million, five hundred forty-four thousand, three hundred ninety-three".