406353005437 has 2 divisors, whose sum is σ = 406353005438. Its totient is φ = 406353005436.

The previous prime is 406353005423. The next prime is 406353005459. The reversal of 406353005437 is 734500353604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238133264121 + 168219741316 = 487989^2 + 410146^2 .

It is a cyclic number.

It is not a de Polignac number, because 406353005437 - 2¹¹ = 406353003389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406353005437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406353005417) 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, 203176502718 + 203176502719.

It is an arithmetic number, because the mean of its divisors is an integer number (203176502719).

Almost surely, 2^406353005437 is an apocalyptic number.

It is an amenable number.

406353005437 is a deficient number, since it is larger than the sum of its proper divisors (1).

406353005437 is an equidigital number, since it uses as much as digits as its factorization.

406353005437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 406353005437 in words is "four hundred six billion, three hundred fifty-three million, five thousand, four hundred thirty-seven".