4320169949 has 2 divisors, whose sum is σ = 4320169950. Its totient is φ = 4320169948.

The previous prime is 4320169939. The next prime is 4320170051. The reversal of 4320169949 is 9499610234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4256649049 + 63520900 = 65243^2 + 7970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320169949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320169939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160084974 + 2160084975.

It is an arithmetic number, because the mean of its divisors is an integer number (2160084975).

Almost surely, 2^4320169949 is an apocalyptic number.

It is an amenable number.

4320169949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320169949 is an equidigital number, since it uses as much as digits as its factorization.

4320169949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 4320169949 is about 65727.9997337512. Note that the first 3 decimals coincide. The cubic root of 4320169949 is about 1628.6719267398.

The spelling of 4320169949 in words is "four billion, three hundred twenty million, one hundred sixty-nine thousand, nine hundred forty-nine".