19709676284 has 12 divisors (see below), whose sum is σ = 34492932264. Its totient is φ = 9854552784.

The previous prime is 19709676271. The next prime is 19709676289. The reversal of 19709676284 is 48267690791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19709676289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192419 + ... + 276485.

It is an arithmetic number, because the mean of its divisors is an integer number (2874411022).

Almost surely, 2^19709676284 is an apocalyptic number.

It is an amenable number.

19709676284 is a deficient number, since it is larger than the sum of its proper divisors (14783255980).

19709676284 is a wasteful number, since it uses less digits than its factorization.

19709676284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142684 (or 142682 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 19709676284 in words is "nineteen billion, seven hundred nine million, six hundred seventy-six thousand, two hundred eighty-four".