1679444437793 has 8 divisors (see below), whose sum is σ = 1688266748520. Its totient is φ = 1670625129600.

The previous prime is 1679444437789. The next prime is 1679444437927. The reversal of 1679444437793 is 3977344449761.

It can be written as a sum of positive squares in 4 ways, for example, as 1154447100304 + 524997337489 = 1074452^2 + 724567^2 .

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 1679444437793 - 2² = 1679444437789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1679444437193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375413 + ... + 1870781.

It is an arithmetic number, because the mean of its divisors is an integer number (211033343565).

Almost surely, 2^{1679444437793} is an apocalyptic number.

It is an amenable number.

1679444437793 is a deficient number, since it is larger than the sum of its proper divisors (8822310727).

1679444437793 is a wasteful number, since it uses less digits than its factorization.

1679444437793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501267.

The product of its digits is 384072192, while the sum is 68.

The spelling of 1679444437793 in words is "one trillion, six hundred seventy-nine billion, four hundred forty-four million, four hundred thirty-seven thousand, seven hundred ninety-three".