4223600169949 has 2 divisors, whose sum is σ = 4223600169950. Its totient is φ = 4223600169948.

The previous prime is 4223600169917. The next prime is 4223600170033. The reversal of 4223600169949 is 9499610063224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3782079789049 + 441520380900 = 1944757^2 + 664470^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223600169949 - 2⁵ = 4223600169917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4223600169949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223600166949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111800084974 + 2111800084975.

It is an arithmetic number, because the mean of its divisors is an integer number (2111800084975).

Almost surely, 2^{4223600169949} is an apocalyptic number.

It is an amenable number.

4223600169949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223600169949 is an equidigital number, since it uses as much as digits as its factorization.

4223600169949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 4223600169949 in words is "four trillion, two hundred twenty-three billion, six hundred million, one hundred sixty-nine thousand, nine hundred forty-nine".