16819857429089 has 8 divisors (see below), whose sum is σ = 19760391944832. Its totient is φ = 14114565674640.

The previous prime is 16819857429083. The next prime is 16819857429101. The reversal of 16819857429089 is 98092475891861.

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 16819857429089 - 2⁸ = 16819857428833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16819857429083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58810690169 + ... + 58810690454.

It is an arithmetic number, because the mean of its divisors is an integer number (2470048993104).

Almost surely, 2^{16819857429089} is an apocalyptic number.

It is an amenable number.

16819857429089 is a deficient number, since it is larger than the sum of its proper divisors (2940534515743).

16819857429089 is a wasteful number, since it uses less digits than its factorization.

16819857429089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117621380647.

The product of its (nonzero) digits is 627056640, while the sum is 77.

The spelling of 16819857429089 in words is "sixteen trillion, eight hundred nineteen billion, eight hundred fifty-seven million, four hundred twenty-nine thousand, eighty-nine".