13400351047 has 2 divisors, whose sum is σ = 13400351048. Its totient is φ = 13400351046.

The previous prime is 13400351039. The next prime is 13400351123. The reversal of 13400351047 is 74015300431.

13400351047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13400351047 - 2³ = 13400351039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13400351647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700175523 + 6700175524.

It is an arithmetic number, because the mean of its divisors is an integer number (6700175524).

Almost surely, 2^13400351047 is an apocalyptic number.

13400351047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400351047 is an equidigital number, since it uses as much as digits as its factorization.

13400351047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 13400351047 its reverse (74015300431), we get a palindrome (87415651478).

The spelling of 13400351047 in words is "thirteen billion, four hundred million, three hundred fifty-one thousand, forty-seven".