6400450103 has 2 divisors, whose sum is σ = 6400450104. Its totient is φ = 6400450102.

The previous prime is 6400450081. The next prime is 6400450141. The reversal of 6400450103 is 3010540046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6400450103 - 2²⁶ = 6333341239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6400450153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200225051 + 3200225052.

It is an arithmetic number, because the mean of its divisors is an integer number (3200225052).

Almost surely, 2^6400450103 is an apocalyptic number.

6400450103 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400450103 is an equidigital number, since it uses as much as digits as its factorization.

6400450103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6400450103 is about 80002.8130942906. The cubic root of 6400450103 is about 1856.6790572802.

Adding to 6400450103 its reverse (3010540046), we get a palindrome (9410990149).

The spelling of 6400450103 in words is "six billion, four hundred million, four hundred fifty thousand, one hundred three".