444414362642513 has 4 divisors (see below), whose sum is σ = 444414451380900. Its totient is φ = 444414273904128.

The previous prime is 444414362642489. The next prime is 444414362642531. The reversal of 444414362642513 is 315246263414444.

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 55246932077584 + 389167430564929 = 7432828^2 + 19727327^2 .

It is a cyclic number.

It is not a de Polignac number, because 444414362642513 - 2⁶ = 444414362642449 is a prime.

It is a super-3 number, since 3×444414362642513³ (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 (444414362642413) 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, 36377120 + ... + 47033217.

It is an arithmetic number, because the mean of its divisors is an integer number (111103612845225).

Almost surely, 2^{444414362642513} is an apocalyptic number.

It is an amenable number.

444414362642513 is a deficient number, since it is larger than the sum of its proper divisors (88738387).

444414362642513 is an equidigital number, since it uses as much as digits as its factorization.

444414362642513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88738386.

The product of its digits is 26542080, while the sum is 53.

The spelling of 444414362642513 in words is "four hundred forty-four trillion, four hundred fourteen billion, three hundred sixty-two million, six hundred forty-two thousand, five hundred thirteen".