406134765643 has 2 divisors, whose sum is σ = 406134765644. Its totient is φ = 406134765642.

The previous prime is 406134765623. The next prime is 406134765667. The reversal of 406134765643 is 346567431604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406134765643 - 2¹⁷ = 406134634571 is a prime.

It is not a weakly prime, because it can be changed into another prime (406134765623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203067382821 + 203067382822.

It is an arithmetic number, because the mean of its divisors is an integer number (203067382822).

Almost surely, 2^406134765643 is an apocalyptic number.

406134765643 is a deficient number, since it is larger than the sum of its proper divisors (1).

406134765643 is an equidigital number, since it uses as much as digits as its factorization.

406134765643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 406134765643 in words is "four hundred six billion, one hundred thirty-four million, seven hundred sixty-five thousand, six hundred forty-three".