444402343341413 has 4 divisors (see below), whose sum is σ = 444409023236940. Its totient is φ = 444395663445888.

The previous prime is 444402343341367. The next prime is 444402343341427. The reversal of 444402343341413 is 314143343204444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177629639761729 + 266772703579684 = 13327777^2 + 16333178^2 .

It is a cyclic number.

It is not a de Polignac number, because 444402343341413 - 2⁸ = 444402343341157 is a prime.

It is a super-3 number, since 3×444402343341413³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444402343341443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3339847970 + ... + 3339981027.

It is an arithmetic number, because the mean of its divisors is an integer number (111102255809235).

Almost surely, 2^{444402343341413} is an apocalyptic number.

It is an amenable number.

444402343341413 is a deficient number, since it is larger than the sum of its proper divisors (6679895527).

444402343341413 is an equidigital number, since it uses as much as digits as its factorization.

444402343341413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679895526.

The product of its (nonzero) digits is 2654208, while the sum is 44.

Adding to 444402343341413 its reverse (314143343204444), we get a palindrome (758545686545857).

The spelling of 444402343341413 in words is "four hundred forty-four trillion, four hundred two billion, three hundred forty-three million, three hundred forty-one thousand, four hundred thirteen".