13718657503 has 2 divisors, whose sum is σ = 13718657504. Its totient is φ = 13718657502.

The previous prime is 13718657497. The next prime is 13718657527. The reversal of 13718657503 is 30575681731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13718657503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13718657803) 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, 6859328751 + 6859328752.

It is an arithmetic number, because the mean of its divisors is an integer number (6859328752).

Almost surely, 2^13718657503 is an apocalyptic number.

13718657503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13718657503 is an equidigital number, since it uses as much as digits as its factorization.

13718657503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 13718657503 in words is "thirteen billion, seven hundred eighteen million, six hundred fifty-seven thousand, five hundred three".