406689835001 has 2 divisors, whose sum is σ = 406689835002. Its totient is φ = 406689835000.

The previous prime is 406689834913. The next prime is 406689835033. The reversal of 406689835001 is 100538986604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394319946601 + 12369888400 = 627949^2 + 111220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406689835001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (406689835061) 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, 203344917500 + 203344917501.

It is an arithmetic number, because the mean of its divisors is an integer number (203344917501).

Almost surely, 2^406689835001 is an apocalyptic number.

It is an amenable number.

406689835001 is a deficient number, since it is larger than the sum of its proper divisors (1).

406689835001 is an equidigital number, since it uses as much as digits as its factorization.

406689835001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 406689835001 in words is "four hundred six billion, six hundred eighty-nine million, eight hundred thirty-five thousand, one".