798684819369 has 4 divisors (see below), whose sum is σ = 1064913092496. Its totient is φ = 532456546244.

The previous prime is 798684819343. The next prime is 798684819379. The reversal of 798684819369 is 963918486897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 963918486897 = 3 ⋅321306162299.

It is a cyclic number.

It is not a de Polignac number, because 798684819369 - 2⁷ = 798684819241 is a prime.

It is a super-2 number, since 2×798684819369² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 798684819294 and 798684819303.

It is not an unprimeable number, because it can be changed into a prime (798684819379) 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, 133114136559 + ... + 133114136564.

It is an arithmetic number, because the mean of its divisors is an integer number (266228273124).

Almost surely, 2^798684819369 is an apocalyptic number.

It is an amenable number.

798684819369 is a deficient number, since it is larger than the sum of its proper divisors (266228273127).

798684819369 is a wasteful number, since it uses less digits than its factorization.

798684819369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266228273126.

The product of its digits is 1128701952, while the sum is 78.

The spelling of 798684819369 in words is "seven hundred ninety-eight billion, six hundred eighty-four million, eight hundred nineteen thousand, three hundred sixty-nine".