19713043708 has 12 divisors (see below), whose sum is σ = 34814321080. Its totient is φ = 9766094832.

The previous prime is 19713043699. The next prime is 19713043717. The reversal of 19713043708 is 80734031791.

It is an interprime number because it is at equal distance from previous prime (19713043699) and next prime (19713043717).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22606266 + ... + 22607137.

Almost surely, 2^19713043708 is an apocalyptic number.

It is an amenable number.

19713043708 is a deficient number, since it is larger than the sum of its proper divisors (15101277372).

19713043708 is a wasteful number, since it uses less digits than its factorization.

19713043708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45213516 (or 45213514 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 19713043708 in words is "nineteen billion, seven hundred thirteen million, forty-three thousand, seven hundred eight".