13478378429699 has 2 divisors, whose sum is σ = 13478378429700. Its totient is φ = 13478378429698.

The previous prime is 13478378429647. The next prime is 13478378429707. The reversal of 13478378429699 is 99692487387431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13478378429699 - 2¹⁶ = 13478378364163 is a prime.

It is not a weakly prime, because it can be changed into another prime (13478378429599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6739189214849 + 6739189214850.

It is an arithmetic number, because the mean of its divisors is an integer number (6739189214850).

Almost surely, 2^{13478378429699} is an apocalyptic number.

13478378429699 is a deficient number, since it is larger than the sum of its proper divisors (1).

13478378429699 is an equidigital number, since it uses as much as digits as its factorization.

13478378429699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3950456832, while the sum is 80.

The spelling of 13478378429699 in words is "thirteen trillion, four hundred seventy-eight billion, three hundred seventy-eight million, four hundred twenty-nine thousand, six hundred ninety-nine".