4400321322013 has 4 divisors (see below), whose sum is σ = 4507646232348. Its totient is φ = 4292996411680.

The previous prime is 4400321321987. The next prime is 4400321322017. The reversal of 4400321322013 is 3102231230044.

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 2546903193604 + 1853418128409 = 1595902^2 + 1361403^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400321322013 - 2¹³ = 4400321313821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400321322017) 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, 53662455106 + ... + 53662455187.

It is an arithmetic number, because the mean of its divisors is an integer number (1126911558087).

Almost surely, 2^{4400321322013} is an apocalyptic number.

It is an amenable number.

4400321322013 is a deficient number, since it is larger than the sum of its proper divisors (107324910335).

4400321322013 is a wasteful number, since it uses less digits than its factorization.

4400321322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107324910334.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4400321322013 its reverse (3102231230044), we get a palindrome (7502552552057).

The spelling of 4400321322013 in words is "four trillion, four hundred billion, three hundred twenty-one million, three hundred twenty-two thousand, thirteen".