19892634286 has 64 divisors (see below), whose sum is σ = 37734377472. Its totient is φ = 7670380032.

The previous prime is 19892634259. The next prime is 19892634301. The reversal of 19892634286 is 68243629891.

It is a self number, because there is not a number n which added to its sum of digits gives 19892634286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460320 + ... + 501676.

It is an arithmetic number, because the mean of its divisors is an integer number (589599648).

Almost surely, 2^19892634286 is an apocalyptic number.

19892634286 is a deficient number, since it is larger than the sum of its proper divisors (17841743186).

19892634286 is a wasteful number, since it uses less digits than its factorization.

19892634286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41473.

The product of its digits is 8957952, while the sum is 58.

The spelling of 19892634286 in words is "nineteen billion, eight hundred ninety-two million, six hundred thirty-four thousand, two hundred eighty-six".