16819881703 has 2 divisors, whose sum is σ = 16819881704. Its totient is φ = 16819881702.

The previous prime is 16819881649. The next prime is 16819881707. The reversal of 16819881703 is 30718891861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16819881703 - 2⁹ = 16819881191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16819881707) 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 as a sum of consecutive naturals, namely, 8409940851 + 8409940852.

It is an arithmetic number, because the mean of its divisors is an integer number (8409940852).

Almost surely, 2^16819881703 is an apocalyptic number.

16819881703 is a deficient number, since it is larger than the sum of its proper divisors (1).

16819881703 is an equidigital number, since it uses as much as digits as its factorization.

16819881703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 16819881703 in words is "sixteen billion, eight hundred nineteen million, eight hundred eighty-one thousand, seven hundred three".