16938436063 has 2 divisors, whose sum is σ = 16938436064. Its totient is φ = 16938436062.

The previous prime is 16938436051. The next prime is 16938436157. The reversal of 16938436063 is 36063483961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16938436063 - 2⁹ = 16938435551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16938435998 and 16938436016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16938436033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469218031 + 8469218032.

It is an arithmetic number, because the mean of its divisors is an integer number (8469218032).

Almost surely, 2^16938436063 is an apocalyptic number.

16938436063 is a deficient number, since it is larger than the sum of its proper divisors (1).

16938436063 is an equidigital number, since it uses as much as digits as its factorization.

16938436063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 16938436063 in words is "sixteen billion, nine hundred thirty-eight million, four hundred thirty-six thousand, sixty-three".