4406624437 has 2 divisors, whose sum is σ = 4406624438. Its totient is φ = 4406624436.

The previous prime is 4406624407. The next prime is 4406624461. The reversal of 4406624437 is 7344266044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2920213521 + 1486410916 = 54039^2 + 38554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4406624437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4406624437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406624407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203312218 + 2203312219.

It is an arithmetic number, because the mean of its divisors is an integer number (2203312219).

Almost surely, 2^4406624437 is an apocalyptic number.

It is an amenable number.

4406624437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406624437 is an equidigital number, since it uses as much as digits as its factorization.

4406624437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 40.

The square root of 4406624437 is about 66382.4105994954. The cubic root of 4406624437 is about 1639.4644837160.

The spelling of 4406624437 in words is "four billion, four hundred six million, six hundred twenty-four thousand, four hundred thirty-seven".