444313442013 has 32 divisors (see below), whose sum is σ = 686703144960. Its totient is φ = 250274344320.

The previous prime is 444313441993. The next prime is 444313442033. The reversal of 444313442013 is 310244313444.

It is an interprime number because it is at equal distance from previous prime (444313441993) and next prime (444313442033).

It is not a de Polignac number, because 444313442013 - 2⁸ = 444313441757 is a prime.

It is a super-3 number, since 3×444313442013³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444313442033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9936081 + ... + 9980697.

It is an arithmetic number, because the mean of its divisors is an integer number (21459473280).

Almost surely, 2^444313442013 is an apocalyptic number.

It is an amenable number.

444313442013 is a deficient number, since it is larger than the sum of its proper divisors (242389702947).

444313442013 is a wasteful number, since it uses less digits than its factorization.

444313442013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51377.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 444313442013 its reverse (310244313444), we get a palindrome (754557755457).

The spelling of 444313442013 in words is "four hundred forty-four billion, three hundred thirteen million, four hundred forty-two thousand, thirteen".