44123042413 has 4 divisors (see below), whose sum is σ = 44131068828. Its totient is φ = 44115016000.

The previous prime is 44123042399. The next prime is 44123042521. The reversal of 44123042413 is 31424032144.

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 42602198409 + 1520844004 = 206403^2 + 38998^2 .

It is a cyclic number.

It is not a de Polignac number, because 44123042413 - 2²¹ = 44120945261 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 (44123042113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004956 + ... + 4015957.

It is an arithmetic number, because the mean of its divisors is an integer number (11032767207).

Almost surely, 2^44123042413 is an apocalyptic number.

It is an amenable number.

44123042413 is a deficient number, since it is larger than the sum of its proper divisors (8026415).

44123042413 is an equidigital number, since it uses as much as digits as its factorization.

44123042413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026414.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 44123042413 its reverse (31424032144), we get a palindrome (75547074557).

The spelling of 44123042413 in words is "forty-four billion, one hundred twenty-three million, forty-two thousand, four hundred thirteen".