1361203425443 has 2 divisors, whose sum is σ = 1361203425444. Its totient is φ = 1361203425442.

The previous prime is 1361203425397. The next prime is 1361203425457. The reversal of 1361203425443 is 3445243021631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361203425443 - 2⁴⁰ = 261691797667 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361203425397 and 1361203425406.

It is not a weakly prime, because it can be changed into another prime (1361203425643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680601712721 + 680601712722.

It is an arithmetic number, because the mean of its divisors is an integer number (680601712722).

Almost surely, 2^{1361203425443} is an apocalyptic number.

1361203425443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361203425443 is an equidigital number, since it uses as much as digits as its factorization.

1361203425443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 1361203425443 in words is "one trillion, three hundred sixty-one billion, two hundred three million, four hundred twenty-five thousand, four hundred forty-three".