13400430647 has 2 divisors, whose sum is σ = 13400430648. Its totient is φ = 13400430646.

The previous prime is 13400430629. The next prime is 13400430677. The reversal of 13400430647 is 74603400431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13400430647 - 2¹⁸ = 13400168503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13400430677) 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, 6700215323 + 6700215324.

It is an arithmetic number, because the mean of its divisors is an integer number (6700215324).

Almost surely, 2^13400430647 is an apocalyptic number.

13400430647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400430647 is an equidigital number, since it uses as much as digits as its factorization.

13400430647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 13400430647 in words is "thirteen billion, four hundred million, four hundred thirty thousand, six hundred forty-seven".