4416439913 has 2 divisors, whose sum is σ = 4416439914. Its totient is φ = 4416439912.

The previous prime is 4416439903. The next prime is 4416439981. The reversal of 4416439913 is 3199346144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3927278224 + 489161689 = 62668^2 + 22117^2 .

It is a cyclic number.

It is not a de Polignac number, because 4416439913 - 2¹⁰ = 4416438889 is a prime.

It is not a weakly prime, because it can be changed into another prime (4416439903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2208219956 + 2208219957.

It is an arithmetic number, because the mean of its divisors is an integer number (2208219957).

Almost surely, 2^4416439913 is an apocalyptic number.

It is an amenable number.

4416439913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4416439913 is an equidigital number, since it uses as much as digits as its factorization.

4416439913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 4416439913 is about 66456.3007772777. The cubic root of 4416439913 is about 1640.6808487004.

The spelling of 4416439913 in words is "four billion, four hundred sixteen million, four hundred thirty-nine thousand, nine hundred thirteen".