406111345369 has 2 divisors, whose sum is σ = 406111345370. Its totient is φ = 406111345368.

The previous prime is 406111345337. The next prime is 406111345421. The reversal of 406111345369 is 963543111604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354634542144 + 51476803225 = 595512^2 + 226885^2 .

It is a cyclic number.

It is not a de Polignac number, because 406111345369 - 2⁵ = 406111345337 is a prime.

It is a super-2 number, since 2×406111345369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406111345469) 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, 203055672684 + 203055672685.

It is an arithmetic number, because the mean of its divisors is an integer number (203055672685).

Almost surely, 2^406111345369 is an apocalyptic number.

It is an amenable number.

406111345369 is a deficient number, since it is larger than the sum of its proper divisors (1).

406111345369 is an equidigital number, since it uses as much as digits as its factorization.

406111345369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 406111345369 in words is "four hundred six billion, one hundred eleven million, three hundred forty-five thousand, three hundred sixty-nine".