1679468891169 has 4 divisors (see below), whose sum is σ = 2239291854896. Its totient is φ = 1119645927444.

The previous prime is 1679468891137. The next prime is 1679468891173. The reversal of 1679468891169 is 9611988649761.

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.

It is not a de Polignac number, because 1679468891169 - 2⁵ = 1679468891137 is a prime.

It is a super-2 number, since 2×1679468891169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1679468891169.

It is not an unprimeable number, because it can be changed into a prime (1679468891069) 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, 279911481859 + ... + 279911481864.

It is an arithmetic number, because the mean of its divisors is an integer number (559822963724).

Almost surely, 2^{1679468891169} is an apocalyptic number.

It is an amenable number.

1679468891169 is a deficient number, since it is larger than the sum of its proper divisors (559822963727).

1679468891169 is an equidigital number, since it uses as much as digits as its factorization.

1679468891169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559822963726.

The product of its digits is 282175488, while the sum is 75.

The spelling of 1679468891169 in words is "one trillion, six hundred seventy-nine billion, four hundred sixty-eight million, eight hundred ninety-one thousand, one hundred sixty-nine".