13401404389 has 2 divisors, whose sum is σ = 13401404390. Its totient is φ = 13401404388.

The previous prime is 13401404383. The next prime is 13401404413. The reversal of 13401404389 is 98340410431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8384515489 + 5016888900 = 91567^2 + 70830^2 .

It is a cyclic number.

It is not a de Polignac number, because 13401404389 - 2⁹ = 13401403877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13401404383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700702194 + 6700702195.

It is an arithmetic number, because the mean of its divisors is an integer number (6700702195).

Almost surely, 2^13401404389 is an apocalyptic number.

It is an amenable number.

13401404389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401404389 is an equidigital number, since it uses as much as digits as its factorization.

13401404389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 13401404389 in words is "thirteen billion, four hundred one million, four hundred four thousand, three hundred eighty-nine".