1798642124395 has 4 divisors (see below), whose sum is σ = 2158370549280. Its totient is φ = 1438913699512.

The previous prime is 1798642124369. The next prime is 1798642124417. The reversal of 1798642124395 is 5934212468971.

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 1798642124395 - 2⁷ = 1798642124267 is a prime.

It is a super-2 number, since 2×1798642124395² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179864212435 + ... + 179864212444.

It is an arithmetic number, because the mean of its divisors is an integer number (539592637320).

Almost surely, 2^{1798642124395} is an apocalyptic number.

1798642124395 is a deficient number, since it is larger than the sum of its proper divisors (359728424885).

1798642124395 is an equidigital number, since it uses as much as digits as its factorization.

1798642124395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359728424884.

The product of its digits is 26127360, while the sum is 61.

The spelling of 1798642124395 in words is "one trillion, seven hundred ninety-eight billion, six hundred forty-two million, one hundred twenty-four thousand, three hundred ninety-five".