1361504019443 has 2 divisors, whose sum is σ = 1361504019444. Its totient is φ = 1361504019442.

The previous prime is 1361504019431. The next prime is 1361504019451. The reversal of 1361504019443 is 3449104051631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361504019443 - 2¹⁴ = 1361504003059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361504019443.

It is not a weakly prime, because it can be changed into another prime (1361504039443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680752009721 + 680752009722.

It is an arithmetic number, because the mean of its divisors is an integer number (680752009722).

Almost surely, 2^{1361504019443} is an apocalyptic number.

1361504019443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361504019443 is an equidigital number, since it uses as much as digits as its factorization.

1361504019443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1361504019443 in words is "one trillion, three hundred sixty-one billion, five hundred four million, nineteen thousand, four hundred forty-three".