1000444403213 has 2 divisors, whose sum is σ = 1000444403214. Its totient is φ = 1000444403212.

The previous prime is 1000444403171. The next prime is 1000444403249. The reversal of 1000444403213 is 3123044440001.

1000444403213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743530247524 + 256914155689 = 862282^2 + 506867^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000444403213 - 2⁶ = 1000444403149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000444403293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500222201606 + 500222201607.

It is an arithmetic number, because the mean of its divisors is an integer number (500222201607).

Almost surely, 2^{1000444403213} is an apocalyptic number.

It is an amenable number.

1000444403213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000444403213 is an equidigital number, since it uses as much as digits as its factorization.

1000444403213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1000444403213 its reverse (3123044440001), we get a palindrome (4123488843214).

The spelling of 1000444403213 in words is "one trillion, four hundred forty-four million, four hundred three thousand, two hundred thirteen".