19704092986 has 16 divisors (see below), whose sum is σ = 29974305024. Its totient is φ = 9712777824.

The previous prime is 19704092977. The next prime is 19704093001. The reversal of 19704092986 is 68929040791.

It is an unprimeable number.

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, 313911 + ... + 371413.

It is an arithmetic number, because the mean of its divisors is an integer number (1873394064).

Almost surely, 2^19704092986 is an apocalyptic number.

19704092986 is a deficient number, since it is larger than the sum of its proper divisors (10270212038).

19704092986 is a wasteful number, since it uses less digits than its factorization.

19704092986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59925.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 19704092986 in words is "nineteen billion, seven hundred four million, ninety-two thousand, nine hundred eighty-six".