444421423011313 has 16 divisors (see below), whose sum is σ = 491142619232640. Its totient is φ = 398787519312000.

The previous prime is 444421423011287. The next prime is 444421423011341. The reversal of 444421423011313 is 313110324124444.

It is a cyclic number.

It is not a de Polignac number, because 444421423011313 - 2²⁹ = 444420886140401 is a prime.

It is a super-3 number, since 3×444421423011313³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444421423011613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851849308 + ... + 852370861.

It is an arithmetic number, because the mean of its divisors is an integer number (30696413702040).

Almost surely, 2^{444421423011313} is an apocalyptic number.

It is an amenable number.

444421423011313 is a deficient number, since it is larger than the sum of its proper divisors (46721196221327).

444421423011313 is a wasteful number, since it uses less digits than its factorization.

444421423011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704220488.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 444421423011313 its reverse (313110324124444), we get a palindrome (757531747135757).

The spelling of 444421423011313 in words is "four hundred forty-four trillion, four hundred twenty-one billion, four hundred twenty-three million, eleven thousand, three hundred thirteen".