4405916909 has 2 divisors, whose sum is σ = 4405916910. Its totient is φ = 4405916908.

The previous prime is 4405916861. The next prime is 4405916923. The reversal of 4405916909 is 9096195044.

4405916909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3066722884 + 1339194025 = 55378^2 + 36595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405916909 is a prime.

It is a super-2 number, since 2×4405916909² = 38824207618024228562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405916929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202958454 + 2202958455.

It is an arithmetic number, because the mean of its divisors is an integer number (2202958455).

Almost surely, 2^4405916909 is an apocalyptic number.

It is an amenable number.

4405916909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405916909 is an equidigital number, since it uses as much as digits as its factorization.

4405916909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 4405916909 is about 66377.0812027766. The cubic root of 4405916909 is about 1639.3767348331.

The spelling of 4405916909 in words is "four billion, four hundred five million, nine hundred sixteen thousand, nine hundred nine".