19793618796004 has 243 divisors, whose sum is σ = 39799780582779. Its totient is φ = 8610420510720.

The previous prime is 19793618795989. The next prime is 19793618796043. The reversal of 19793618796004 is 40069781639791.

The square root of 19793618796004 is 4449002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1158856556004 + 18634762240000 = 1076502^2 + 4316800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 204057925684 + ... + 204057925780.

Almost surely, 2^{19793618796004} is an apocalyptic number.

19793618796004 is the 4449002-nd square number.

It is an amenable number.

19793618796004 is an abundant number, since it is smaller than the sum of its proper divisors (20006161786775).

19793618796004 is an equidigital number, since it uses as much as digits as its factorization.

19793618796004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 19793618796004 in words is "nineteen trillion, seven hundred ninety-three billion, six hundred eighteen million, seven hundred ninety-six thousand, four".