4643378903 has 2 divisors, whose sum is σ = 4643378904. Its totient is φ = 4643378902.

The previous prime is 4643378837. The next prime is 4643378923. The reversal of 4643378903 is 3098733464.

4643378903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4643378903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4643378923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321689451 + 2321689452.

It is an arithmetic number, because the mean of its divisors is an integer number (2321689452).

Almost surely, 2^4643378903 is an apocalyptic number.

4643378903 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643378903 is an equidigital number, since it uses as much as digits as its factorization.

4643378903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The square root of 4643378903 is about 68142.3429520882. The cubic root of 4643378903 is about 1668.3149488333.

The spelling of 4643378903 in words is "four billion, six hundred forty-three million, three hundred seventy-eight thousand, nine hundred three".