405814493743 has 2 divisors, whose sum is σ = 405814493744. Its totient is φ = 405814493742.

The previous prime is 405814493737. The next prime is 405814493761. The reversal of 405814493743 is 347394418504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405814493743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405814493443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202907246871 + 202907246872.

It is an arithmetic number, because the mean of its divisors is an integer number (202907246872).

Almost surely, 2^405814493743 is an apocalyptic number.

405814493743 is a deficient number, since it is larger than the sum of its proper divisors (1).

405814493743 is an equidigital number, since it uses as much as digits as its factorization.

405814493743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 405814493743 in words is "four hundred five billion, eight hundred fourteen million, four hundred ninety-three thousand, seven hundred forty-three".