16849226917 has 2 divisors, whose sum is σ = 16849226918. Its totient is φ = 16849226916.

The previous prime is 16849226851. The next prime is 16849226921. The reversal of 16849226917 is 71962294861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16057704961 + 791521956 = 126719^2 + 28134^2 .

It is a cyclic number.

It is not a de Polignac number, because 16849226917 - 2¹¹ = 16849224869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16849226417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8424613458 + 8424613459.

It is an arithmetic number, because the mean of its divisors is an integer number (8424613459).

Almost surely, 2^16849226917 is an apocalyptic number.

It is an amenable number.

16849226917 is a deficient number, since it is larger than the sum of its proper divisors (1).

16849226917 is an equidigital number, since it uses as much as digits as its factorization.

16849226917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The spelling of 16849226917 in words is "sixteen billion, eight hundred forty-nine million, two hundred twenty-six thousand, nine hundred seventeen".