13421109967 has 2 divisors, whose sum is σ = 13421109968. Its totient is φ = 13421109966.

The previous prime is 13421109953. The next prime is 13421110039. The reversal of 13421109967 is 76990112431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13421109967 - 2¹⁹ = 13420585679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421109367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710554983 + 6710554984.

It is an arithmetic number, because the mean of its divisors is an integer number (6710554984).

Almost surely, 2^13421109967 is an apocalyptic number.

13421109967 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421109967 is an equidigital number, since it uses as much as digits as its factorization.

13421109967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 13421109967 in words is "thirteen billion, four hundred twenty-one million, one hundred nine thousand, nine hundred sixty-seven".