406262444149 has 2 divisors, whose sum is σ = 406262444150. Its totient is φ = 406262444148.

The previous prime is 406262444117. The next prime is 406262444173. The reversal of 406262444149 is 941444262604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315024012900 + 91238431249 = 561270^2 + 302057^2 .

It is a cyclic number.

It is not a de Polignac number, because 406262444149 - 2⁵ = 406262444117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406262444099 and 406262444108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406262448149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203131222074 + 203131222075.

It is an arithmetic number, because the mean of its divisors is an integer number (203131222075).

Almost surely, 2^406262444149 is an apocalyptic number.

It is an amenable number.

406262444149 is a deficient number, since it is larger than the sum of its proper divisors (1).

406262444149 is an equidigital number, since it uses as much as digits as its factorization.

406262444149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 406262444149 in words is "four hundred six billion, two hundred sixty-two million, four hundred forty-four thousand, one hundred forty-nine".