1000543405349 has 2 divisors, whose sum is σ = 1000543405350. Its totient is φ = 1000543405348.

The previous prime is 1000543405319. The next prime is 1000543405357. The reversal of 1000543405349 is 9435043450001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522032260324 + 478511145025 = 722518^2 + 691745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000543405349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000543405319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500271702674 + 500271702675.

It is an arithmetic number, because the mean of its divisors is an integer number (500271702675).

Almost surely, 2^{1000543405349} is an apocalyptic number.

It is an amenable number.

1000543405349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000543405349 is an equidigital number, since it uses as much as digits as its factorization.

1000543405349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1000543405349 in words is "one trillion, five hundred forty-three million, four hundred five thousand, three hundred forty-nine".