44040313403213 has 2 divisors, whose sum is σ = 44040313403214. Its totient is φ = 44040313403212.

The previous prime is 44040313403189. The next prime is 44040313403239. The reversal of 44040313403213 is 31230431304044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44005537866889 + 34775536324 = 6633667^2 + 186482^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040313403213 - 2²⁰ = 44040312354637 is a prime.

It is a super-2 number, since 2×44040313403213² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44040313403213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44040313403113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020156701606 + 22020156701607.

It is an arithmetic number, because the mean of its divisors is an integer number (22020156701607).

Almost surely, 2^{44040313403213} is an apocalyptic number.

It is an amenable number.

44040313403213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040313403213 is an equidigital number, since it uses as much as digits as its factorization.

44040313403213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 44040313403213 its reverse (31230431304044), we get a palindrome (75270744707257).

The spelling of 44040313403213 in words is "forty-four trillion, forty billion, three hundred thirteen million, four hundred three thousand, two hundred thirteen".