16920829093 has 4 divisors (see below), whose sum is σ = 19338090400. Its totient is φ = 14503567788.

The previous prime is 16920829091. The next prime is 16920829097. The reversal of 16920829093 is 39092802961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16920829093 - 2¹ = 16920829091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920829091) 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 3 ways as a sum of consecutive naturals, for example, 1208630643 + ... + 1208630656.

It is an arithmetic number, because the mean of its divisors is an integer number (4834522600).

Almost surely, 2^16920829093 is an apocalyptic number.

It is an amenable number.

16920829093 is a deficient number, since it is larger than the sum of its proper divisors (2417261307).

16920829093 is an equidigital number, since it uses as much as digits as its factorization.

16920829093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417261306.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 16920829093 in words is "sixteen billion, nine hundred twenty million, eight hundred twenty-nine thousand, ninety-three".