19804029706 has 8 divisors (see below), whose sum is σ = 29712059424. Its totient is φ = 9900009900.

The previous prime is 19804029689. The next prime is 19804029757. The reversal of 19804029706 is 60792040891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19804029706² (a number of 21 digits) contains 22 as substring.

19804029706 is a modest number, since divided by 29706 gives 19804 as remainder.

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, 990100 + ... + 1009903.

It is an arithmetic number, because the mean of its divisors is an integer number (3714007428).

Almost surely, 2^19804029706 is an apocalyptic number.

19804029706 is a deficient number, since it is larger than the sum of its proper divisors (9908029718).

19804029706 is a wasteful number, since it uses less digits than its factorization.

19804029706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004956.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 19804029706 in words is "nineteen billion, eight hundred four million, twenty-nine thousand, seven hundred six".