444134030513 has 4 divisors (see below), whose sum is σ = 444141418020. Its totient is φ = 444126643008.

The previous prime is 444134030423. The next prime is 444134030569. The reversal of 444134030513 is 315030431444.

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 27143551009 + 416990479504 = 164753^2 + 645748^2 .

It is a cyclic number.

It is not a de Polignac number, because 444134030513 - 2²⁰ = 444132981937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444134030513.

It is not an unprimeable number, because it can be changed into a prime (444134030573) 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, 3602828 + ... + 3724061.

It is an arithmetic number, because the mean of its divisors is an integer number (111035354505).

Almost surely, 2^444134030513 is an apocalyptic number.

It is an amenable number.

444134030513 is a deficient number, since it is larger than the sum of its proper divisors (7387507).

444134030513 is an equidigital number, since it uses as much as digits as its factorization.

444134030513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387506.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 444134030513 its reverse (315030431444), we get a palindrome (759164461957).

The spelling of 444134030513 in words is "four hundred forty-four billion, one hundred thirty-four million, thirty thousand, five hundred thirteen".