13680337403 has 2 divisors, whose sum is σ = 13680337404. Its totient is φ = 13680337402.

The previous prime is 13680337387. The next prime is 13680337457. The reversal of 13680337403 is 30473308631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13680337403 - 2⁴ = 13680337387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13680337483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6840168701 + 6840168702.

It is an arithmetic number, because the mean of its divisors is an integer number (6840168702).

Almost surely, 2^13680337403 is an apocalyptic number.

13680337403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13680337403 is an equidigital number, since it uses as much as digits as its factorization.

13680337403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 13680337403 in words is "thirteen billion, six hundred eighty million, three hundred thirty-seven thousand, four hundred three".