441404442397 has 2 divisors, whose sum is σ = 441404442398. Its totient is φ = 441404442396.

The previous prime is 441404442377. The next prime is 441404442449. The reversal of 441404442397 is 793244404144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300414706201 + 140989736196 = 548101^2 + 375486^2 .

It is a cyclic number.

It is not a de Polignac number, because 441404442397 - 2¹⁵ = 441404409629 is a prime.

It is a super-2 number, since 2×441404442397² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441404442377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220702221198 + 220702221199.

It is an arithmetic number, because the mean of its divisors is an integer number (220702221199).

Almost surely, 2^441404442397 is an apocalyptic number.

It is an amenable number.

441404442397 is a deficient number, since it is larger than the sum of its proper divisors (1).

441404442397 is an equidigital number, since it uses as much as digits as its factorization.

441404442397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 441404442397 in words is "four hundred forty-one billion, four hundred four million, four hundred forty-two thousand, three hundred ninety-seven".