2103643403 has 2 divisors, whose sum is σ = 2103643404. Its totient is φ = 2103643402.

The previous prime is 2103643337. The next prime is 2103643417. The reversal of 2103643403 is 3043463012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103643403 - 2¹⁰ = 2103642379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2103643483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051821701 + 1051821702.

It is an arithmetic number, because the mean of its divisors is an integer number (1051821702).

Almost surely, 2^2103643403 is an apocalyptic number.

2103643403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103643403 is an equidigital number, since it uses as much as digits as its factorization.

2103643403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 2103643403 is about 45865.4925079847. The cubic root of 2103643403 is about 1281.3193190083.

The spelling of 2103643403 in words is "two billion, one hundred three million, six hundred forty-three thousand, four hundred three".