13434043387 has 2 divisors, whose sum is σ = 13434043388. Its totient is φ = 13434043386.

The previous prime is 13434043373. The next prime is 13434043429. The reversal of 13434043387 is 78334043431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13434043387 - 2¹¹ = 13434041339 is a prime.

It is not a weakly prime, because it can be changed into another prime (13434043327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6717021693 + 6717021694.

It is an arithmetic number, because the mean of its divisors is an integer number (6717021694).

Almost surely, 2^13434043387 is an apocalyptic number.

13434043387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13434043387 is an equidigital number, since it uses as much as digits as its factorization.

13434043387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 13434043387 in words is "thirteen billion, four hundred thirty-four million, forty-three thousand, three hundred eighty-seven".