17793020849 has 8 divisors (see below), whose sum is σ = 17875460160. Its totient is φ = 17710623216.

The previous prime is 17793020837. The next prime is 17793020857. The reversal of 17793020849 is 94802039771.

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 17793020849 - 2³² = 13498053553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17793020797 and 17793020806.

It is not an unprimeable number, because it can be changed into a prime (17793020809) by changing a digit.

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, 1129622 + ... + 1145264.

It is an arithmetic number, because the mean of its divisors is an integer number (2234432520).

Almost surely, 2^17793020849 is an apocalyptic number.

It is an amenable number.

17793020849 is a deficient number, since it is larger than the sum of its proper divisors (82439311).

17793020849 is a wasteful number, since it uses less digits than its factorization.

17793020849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20839.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 17793020849 in words is "seventeen billion, seven hundred ninety-three million, twenty thousand, eight hundred forty-nine".