13941404634403 has 2 divisors, whose sum is σ = 13941404634404. Its totient is φ = 13941404634402.

The previous prime is 13941404634379. The next prime is 13941404634431. The reversal of 13941404634403 is 30443640414931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13941404634403 is a prime.

It is not a weakly prime, because it can be changed into another prime (13941404634473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6970702317201 + 6970702317202.

It is an arithmetic number, because the mean of its divisors is an integer number (6970702317202).

Almost surely, 2^{13941404634403} is an apocalyptic number.

13941404634403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13941404634403 is an equidigital number, since it uses as much as digits as its factorization.

13941404634403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 13941404634403 in words is "thirteen trillion, nine hundred forty-one billion, four hundred four million, six hundred thirty-four thousand, four hundred three".