406266422039 has 2 divisors, whose sum is σ = 406266422040. Its totient is φ = 406266422038.

The previous prime is 406266421973. The next prime is 406266422041. The reversal of 406266422039 is 930224662604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406266422039 - 2⁸ = 406266421783 is a prime.

Together with 406266422041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406266422239) 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, 203133211019 + 203133211020.

It is an arithmetic number, because the mean of its divisors is an integer number (203133211020).

Almost surely, 2^406266422039 is an apocalyptic number.

406266422039 is a deficient number, since it is larger than the sum of its proper divisors (1).

406266422039 is an equidigital number, since it uses as much as digits as its factorization.

406266422039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 406266422039 in words is "four hundred six billion, two hundred sixty-six million, four hundred twenty-two thousand, thirty-nine".