4406661437 has 2 divisors, whose sum is σ = 4406661438. Its totient is φ = 4406661436.

The previous prime is 4406661433. The next prime is 4406661473. The reversal of 4406661437 is 7341666044.

4406661437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (4406661473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326290276 + 1080371161 = 57674^2 + 32869^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406661437 - 2² = 4406661433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4406661394 and 4406661403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406661433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203330718 + 2203330719.

It is an arithmetic number, because the mean of its divisors is an integer number (2203330719).

Almost surely, 2^4406661437 is an apocalyptic number.

It is an amenable number.

4406661437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406661437 is an equidigital number, since it uses as much as digits as its factorization.

4406661437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 4406661437 is about 66382.6892871929. The cubic root of 4406661437 is about 1639.4690722634.

The spelling of 4406661437 in words is "four billion, four hundred six million, six hundred sixty-one thousand, four hundred thirty-seven".