1679193925609 has 8 divisors (see below), whose sum is σ = 1683106425000. Its totient is φ = 1675282194432.

The previous prime is 1679193925603. The next prime is 1679193925639. The reversal of 1679193925609 is 9065293919761.

It can be written as a sum of positive squares in 4 ways, for example, as 1002281299600 + 676912626009 = 1001140^2 + 822747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1679193925609 - 2⁷ = 1679193925481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1679193925603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307217 + ... + 4680865.

It is an arithmetic number, because the mean of its divisors is an integer number (210388303125).

Almost surely, 2^{1679193925609} is an apocalyptic number.

It is an amenable number.

1679193925609 is a deficient number, since it is larger than the sum of its proper divisors (3912499391).

1679193925609 is a wasteful number, since it uses less digits than its factorization.

1679193925609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384107.

The product of its (nonzero) digits is 49601160, while the sum is 67.

The spelling of 1679193925609 in words is "one trillion, six hundred seventy-nine billion, one hundred ninety-three million, nine hundred twenty-five thousand, six hundred nine".