1798797980743 has 4 divisors (see below), whose sum is σ = 1798801269640. Its totient is φ = 1798794691848.

The previous prime is 1798797980741. The next prime is 1798797980773. The reversal of 1798797980743 is 3470897978971.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1798797980743 - 2¹ = 1798797980741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798797980741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605073 + ... + 1990906.

It is an arithmetic number, because the mean of its divisors is an integer number (449700317410).

Almost surely, 2^{1798797980743} is an apocalyptic number.

1798797980743 is a deficient number, since it is larger than the sum of its proper divisors (3288897).

1798797980743 is an equidigital number, since it uses as much as digits as its factorization.

1798797980743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288896.

The product of its (nonzero) digits is 1344252672, while the sum is 79.

The spelling of 1798797980743 in words is "one trillion, seven hundred ninety-eight billion, seven hundred ninety-seven million, nine hundred eighty thousand, seven hundred forty-three".