1879721841796 has 12 divisors (see below), whose sum is σ = 3300022852252. Its totient is φ = 936858169728.

The previous prime is 1879721841793. The next prime is 1879721841847. The reversal of 1879721841796 is 6971481279781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 263645279296 + 1616076562500 = 513464^2 + 1271250^2 .

It is not an unprimeable number, because it can be changed into a prime (1879721841793) 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 3 ways as a sum of consecutive naturals, for example, 750686385 + ... + 750688888.

Almost surely, 2^{1879721841796} is an apocalyptic number.

It is an amenable number.

1879721841796 is a deficient number, since it is larger than the sum of its proper divisors (1420301010456).

1879721841796 is a wasteful number, since it uses less digits than its factorization.

1879721841796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501375590 (or 1501375588 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 70.

The spelling of 1879721841796 in words is "one trillion, eight hundred seventy-nine billion, seven hundred twenty-one million, eight hundred forty-one thousand, seven hundred ninety-six".