16850925842503 has 2 divisors, whose sum is σ = 16850925842504. Its totient is φ = 16850925842502.

The previous prime is 16850925842501. The next prime is 16850925842507. The reversal of 16850925842503 is 30524852905861.

It is a weak prime.

It is an emirp because it is prime and its reverse (30524852905861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16850925842503 - 2¹ = 16850925842501 is a prime.

It is a super-2 number, since 2×16850925842503² (a number of 27 digits) contains 22 as substring.

Together with 16850925842501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16850925842501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425462921251 + 8425462921252.

It is an arithmetic number, because the mean of its divisors is an integer number (8425462921252).

Almost surely, 2^{16850925842503} is an apocalyptic number.

16850925842503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16850925842503 is an equidigital number, since it uses as much as digits as its factorization.

16850925842503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 16850925842503 in words is "sixteen trillion, eight hundred fifty billion, nine hundred twenty-five million, eight hundred forty-two thousand, five hundred three".