1361263743043 has 2 divisors, whose sum is σ = 1361263743044. Its totient is φ = 1361263743042.

The previous prime is 1361263743031. The next prime is 1361263743067. The reversal of 1361263743043 is 3403473621631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361263743043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361263743023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680631871521 + 680631871522.

It is an arithmetic number, because the mean of its divisors is an integer number (680631871522).

Almost surely, 2^{1361263743043} is an apocalyptic number.

1361263743043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361263743043 is an equidigital number, since it uses as much as digits as its factorization.

1361263743043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 1361263743043 in words is "one trillion, three hundred sixty-one billion, two hundred sixty-three million, seven hundred forty-three thousand, forty-three".