406411644061 has 4 divisors (see below), whose sum is σ = 406420115872. Its totient is φ = 406403172252.

The previous prime is 406411644059. The next prime is 406411644071. The reversal of 406411644061 is 160446114604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406411644061 - 2¹ = 406411644059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406411644061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406411644071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4163535 + ... + 4260028.

It is an arithmetic number, because the mean of its divisors is an integer number (101605028968).

Almost surely, 2^406411644061 is an apocalyptic number.

It is an amenable number.

406411644061 is a deficient number, since it is larger than the sum of its proper divisors (8471811).

406411644061 is an equidigital number, since it uses as much as digits as its factorization.

406411644061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471810.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 406411644061 its reverse (160446114604), we get a palindrome (566857758665).

The spelling of 406411644061 in words is "four hundred six billion, four hundred eleven million, six hundred forty-four thousand, sixty-one".