13916394403 has 2 divisors, whose sum is σ = 13916394404. Its totient is φ = 13916394402.

The previous prime is 13916394353. The next prime is 13916394433. The reversal of 13916394403 is 30449361931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13916394403 - 2¹⁷ = 13916263331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13916394403.

It is not a weakly prime, because it can be changed into another prime (13916394433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958197201 + 6958197202.

It is an arithmetic number, because the mean of its divisors is an integer number (6958197202).

Almost surely, 2^13916394403 is an apocalyptic number.

13916394403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13916394403 is an equidigital number, since it uses as much as digits as its factorization.

13916394403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 13916394403 in words is "thirteen billion, nine hundred sixteen million, three hundred ninety-four thousand, four hundred three".