19670730789 has 8 divisors (see below), whose sum is σ = 26785676160. Its totient is φ = 12834802976.

The previous prime is 19670730773. The next prime is 19670730797. The reversal of 19670730789 is 98703707691.

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

It is a cyclic number.

It is not a de Polignac number, because 19670730789 - 2⁴ = 19670730773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19670731789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69754224 + ... + 69754505.

It is an arithmetic number, because the mean of its divisors is an integer number (3348209520).

Almost surely, 2^19670730789 is an apocalyptic number.

It is an amenable number.

19670730789 is a deficient number, since it is larger than the sum of its proper divisors (7114945371).

19670730789 is a wasteful number, since it uses less digits than its factorization.

19670730789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139508779.

The product of its (nonzero) digits is 4000752, while the sum is 57.

The spelling of 19670730789 in words is "nineteen billion, six hundred seventy million, seven hundred thirty thousand, seven hundred eighty-nine".