2101443443413 has 2 divisors, whose sum is σ = 2101443443414. Its totient is φ = 2101443443412.

The previous prime is 2101443443399. The next prime is 2101443443431. The reversal of 2101443443413 is 3143443441012.

Together with next prime (2101443443431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281408152049 + 820035291364 = 1131993^2 + 905558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101443443413 - 2³³ = 2092853508821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101443440413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050721721706 + 1050721721707.

It is an arithmetic number, because the mean of its divisors is an integer number (1050721721707).

Almost surely, 2^{2101443443413} is an apocalyptic number.

It is an amenable number.

2101443443413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101443443413 is an equidigital number, since it uses as much as digits as its factorization.

2101443443413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 2101443443413 its reverse (3143443441012), we get a palindrome (5244886884425).

The spelling of 2101443443413 in words is "two trillion, one hundred one billion, four hundred forty-three million, four hundred forty-three thousand, four hundred thirteen".