1000403443213 has 2 divisors, whose sum is σ = 1000403443214. Its totient is φ = 1000403443212.

The previous prime is 1000403443177. The next prime is 1000403443271. The reversal of 1000403443213 is 3123443040001.

1000403443213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782876348809 + 217527094404 = 884803^2 + 466398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000403443213 - 2²⁵ = 1000369888781 is a prime.

It is a super-3 number, since 3×1000403443213³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000403443813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500201721606 + 500201721607.

It is an arithmetic number, because the mean of its divisors is an integer number (500201721607).

Almost surely, 2^{1000403443213} is an apocalyptic number.

It is an amenable number.

1000403443213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000403443213 is an equidigital number, since it uses as much as digits as its factorization.

1000403443213 is an evil number, because the sum of its binary digits is even.

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

Adding to 1000403443213 its reverse (3123443040001), we get a palindrome (4123846483214).

The spelling of 1000403443213 in words is "one trillion, four hundred three million, four hundred forty-three thousand, two hundred thirteen".