1443081572213 has 2 divisors, whose sum is σ = 1443081572214. Its totient is φ = 1443081572212.

The previous prime is 1443081572137. The next prime is 1443081572249. The reversal of 1443081572213 is 3122751803441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753852853009 + 689228719204 = 868247^2 + 830198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443081572213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443081572113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721540786106 + 721540786107.

It is an arithmetic number, because the mean of its divisors is an integer number (721540786107).

Almost surely, 2^{1443081572213} is an apocalyptic number.

It is an amenable number.

1443081572213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443081572213 is an equidigital number, since it uses as much as digits as its factorization.

1443081572213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 1443081572213 in words is "one trillion, four hundred forty-three billion, eighty-one million, five hundred seventy-two thousand, two hundred thirteen".