1798913433433 has 2 divisors, whose sum is σ = 1798913433434. Its totient is φ = 1798913433432.

The previous prime is 1798913433407. The next prime is 1798913433469. The reversal of 1798913433433 is 3343343198971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1609630138944 + 189283294489 = 1268712^2 + 435067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1798913433433 - 2³⁷ = 1661474479961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1798913433833) 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, 899456716716 + 899456716717.

It is an arithmetic number, because the mean of its divisors is an integer number (899456716717).

Almost surely, 2^{1798913433433} is an apocalyptic number.

It is an amenable number.

1798913433433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1798913433433 is an equidigital number, since it uses as much as digits as its factorization.

1798913433433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 58.

The spelling of 1798913433433 in words is "one trillion, seven hundred ninety-eight billion, nine hundred thirteen million, four hundred thirty-three thousand, four hundred thirty-three".