401044327169 has 2 divisors, whose sum is σ = 401044327170. Its totient is φ = 401044327168.

The previous prime is 401044327163. The next prime is 401044327181. The reversal of 401044327169 is 961723440104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381291430144 + 19752897025 = 617488^2 + 140545^2 .

It is a cyclic number.

It is not a de Polignac number, because 401044327169 - 2¹² = 401044323073 is a prime.

It is a super-2 number, since 2×401044327169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401044327163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200522163584 + 200522163585.

It is an arithmetic number, because the mean of its divisors is an integer number (200522163585).

Almost surely, 2^401044327169 is an apocalyptic number.

It is an amenable number.

401044327169 is a deficient number, since it is larger than the sum of its proper divisors (1).

401044327169 is an equidigital number, since it uses as much as digits as its factorization.

401044327169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 401044327169 in words is "four hundred one billion, forty-four million, three hundred twenty-seven thousand, one hundred sixty-nine".