4406728069 has 2 divisors, whose sum is σ = 4406728070. Its totient is φ = 4406728068.

The previous prime is 4406728013. The next prime is 4406728091. The reversal of 4406728069 is 9608276044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2287230625 + 2119497444 = 47825^2 + 46038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4406728069 is a prime.

It is a super-2 number, since 2×4406728069² = 38838504548224937522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406728099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203364034 + 2203364035.

It is an arithmetic number, because the mean of its divisors is an integer number (2203364035).

Almost surely, 2^4406728069 is an apocalyptic number.

It is an amenable number.

4406728069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406728069 is an equidigital number, since it uses as much as digits as its factorization.

4406728069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 4406728069 is about 66383.1911631250. The cubic root of 4406728069 is about 1639.4773355525.

The spelling of 4406728069 in words is "four billion, four hundred six million, seven hundred twenty-eight thousand, sixty-nine".