4320149849 has 2 divisors, whose sum is σ = 4320149850. Its totient is φ = 4320149848.

The previous prime is 4320149831. The next prime is 4320149921. The reversal of 4320149849 is 9489410234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4315570249 + 4579600 = 65693^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320149849 - 2²⁰ = 4319101273 is a prime.

It is not a weakly prime, because it can be changed into another prime (4320149809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160074924 + 2160074925.

It is an arithmetic number, because the mean of its divisors is an integer number (2160074925).

Almost surely, 2^4320149849 is an apocalyptic number.

It is an amenable number.

4320149849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320149849 is an equidigital number, since it uses as much as digits as its factorization.

4320149849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 4320149849 is about 65727.8468307003. The cubic root of 4320149849 is about 1628.6694008858.

The spelling of 4320149849 in words is "four billion, three hundred twenty million, one hundred forty-nine thousand, eight hundred forty-nine".