10420350503 has 2 divisors, whose sum is σ = 10420350504. Its totient is φ = 10420350502.

The previous prime is 10420350497. The next prime is 10420350517. The reversal of 10420350503 is 30505302401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10420350503 - 2⁶ = 10420350439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420350593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210175251 + 5210175252.

It is an arithmetic number, because the mean of its divisors is an integer number (5210175252).

Almost surely, 2^10420350503 is an apocalyptic number.

10420350503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420350503 is an equidigital number, since it uses as much as digits as its factorization.

10420350503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 10420350503 its reverse (30505302401), we get a palindrome (40925652904).

The spelling of 10420350503 in words is "ten billion, four hundred twenty million, three hundred fifty thousand, five hundred three".