13630503503 has 2 divisors, whose sum is σ = 13630503504. Its totient is φ = 13630503502.

The previous prime is 13630503493. The next prime is 13630503569. The reversal of 13630503503 is 30530503631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13630503503 - 2⁴ = 13630503487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630503583) 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, 6815251751 + 6815251752.

It is an arithmetic number, because the mean of its divisors is an integer number (6815251752).

Almost surely, 2^13630503503 is an apocalyptic number.

13630503503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630503503 is an equidigital number, since it uses as much as digits as its factorization.

13630503503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 29.

The spelling of 13630503503 in words is "thirteen billion, six hundred thirty million, five hundred three thousand, five hundred three".