6410440406047 has 2 divisors, whose sum is σ = 6410440406048. Its totient is φ = 6410440406046.

The previous prime is 6410440406009. The next prime is 6410440406059. The reversal of 6410440406047 is 7406040440146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6410440406047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6410440406087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205220203023 + 3205220203024.

It is an arithmetic number, because the mean of its divisors is an integer number (3205220203024).

Almost surely, 2^{6410440406047} is an apocalyptic number.

6410440406047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410440406047 is an equidigital number, since it uses as much as digits as its factorization.

6410440406047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 6410440406047 in words is "six trillion, four hundred ten billion, four hundred forty million, four hundred six thousand, forty-seven".