13421144411429 has 2 divisors, whose sum is σ = 13421144411430. Its totient is φ = 13421144411428.

The previous prime is 13421144411413. The next prime is 13421144411443. The reversal of 13421144411429 is 92411444112431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11926144230625 + 1495000180804 = 3453425^2 + 1222702^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421144411429 - 2⁴ = 13421144411413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421144416429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710572205714 + 6710572205715.

It is an arithmetic number, because the mean of its divisors is an integer number (6710572205715).

Almost surely, 2^{13421144411429} is an apocalyptic number.

It is an amenable number.

13421144411429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421144411429 is an equidigital number, since it uses as much as digits as its factorization.

13421144411429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The spelling of 13421144411429 in words is "thirteen trillion, four hundred twenty-one billion, one hundred forty-four million, four hundred eleven thousand, four hundred twenty-nine".