406012004149 has 2 divisors, whose sum is σ = 406012004150. Its totient is φ = 406012004148.

The previous prime is 406012004143. The next prime is 406012004161. The reversal of 406012004149 is 941400210604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298053759249 + 107958244900 = 545943^2 + 328570^2 .

It is a cyclic number.

It is not a de Polignac number, because 406012004149 - 2⁵ = 406012004117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406012004149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406012004143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203006002074 + 203006002075.

It is an arithmetic number, because the mean of its divisors is an integer number (203006002075).

Almost surely, 2^406012004149 is an apocalyptic number.

It is an amenable number.

406012004149 is a deficient number, since it is larger than the sum of its proper divisors (1).

406012004149 is an equidigital number, since it uses as much as digits as its factorization.

406012004149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 406012004149 in words is "four hundred six billion, twelve million, four thousand, one hundred forty-nine".