406068508427 has 2 divisors, whose sum is σ = 406068508428. Its totient is φ = 406068508426.

The previous prime is 406068508367. The next prime is 406068508523. The reversal of 406068508427 is 724805860604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406068508427 - 2²⁰ = 406067459851 is a prime.

It is a super-2 number, since 2×406068508427² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406068504427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203034254213 + 203034254214.

It is an arithmetic number, because the mean of its divisors is an integer number (203034254214).

Almost surely, 2^406068508427 is an apocalyptic number.

406068508427 is a deficient number, since it is larger than the sum of its proper divisors (1).

406068508427 is an equidigital number, since it uses as much as digits as its factorization.

406068508427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 406068508427 in words is "four hundred six billion, sixty-eight million, five hundred eight thousand, four hundred twenty-seven".