1448897361943 has 2 divisors, whose sum is σ = 1448897361944. Its totient is φ = 1448897361942.

The previous prime is 1448897361931. The next prime is 1448897361983. The reversal of 1448897361943 is 3491637988441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448897361943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448897361983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724448680971 + 724448680972.

It is an arithmetic number, because the mean of its divisors is an integer number (724448680972).

Almost surely, 2^{1448897361943} is an apocalyptic number.

1448897361943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448897361943 is an equidigital number, since it uses as much as digits as its factorization.

1448897361943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 67.

The spelling of 1448897361943 in words is "one trillion, four hundred forty-eight billion, eight hundred ninety-seven million, three hundred sixty-one thousand, nine hundred forty-three".