1384545893833 has 2 divisors, whose sum is σ = 1384545893834. Its totient is φ = 1384545893832.

The previous prime is 1384545893813. The next prime is 1384545893897. The reversal of 1384545893833 is 3383985454831.

It is a happy number.

It is an a-pointer prime, because the next prime (1384545893897) can be obtained adding 1384545893833 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997527530169 + 387018363664 = 998763^2 + 622108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1384545893833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1384545893813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692272946916 + 692272946917.

It is an arithmetic number, because the mean of its divisors is an integer number (692272946917).

Almost surely, 2^{1384545893833} is an apocalyptic number.

It is an amenable number.

1384545893833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384545893833 is an equidigital number, since it uses as much as digits as its factorization.

1384545893833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 149299200, while the sum is 64.

The spelling of 1384545893833 in words is "one trillion, three hundred eighty-four billion, five hundred forty-five million, eight hundred ninety-three thousand, eight hundred thirty-three".