4405507913 has 2 divisors, whose sum is σ = 4405507914. Its totient is φ = 4405507912.

The previous prime is 4405507907. The next prime is 4405507973. The reversal of 4405507913 is 3197055044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4366169929 + 39337984 = 66077^2 + 6272^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405507913 - 2¹⁸ = 4405245769 is a prime.

It is not a weakly prime, because it can be changed into another prime (4405507973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202753956 + 2202753957.

It is an arithmetic number, because the mean of its divisors is an integer number (2202753957).

Almost surely, 2^4405507913 is an apocalyptic number.

It is an amenable number.

4405507913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405507913 is an equidigital number, since it uses as much as digits as its factorization.

4405507913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 4405507913 is about 66374.0002787236. Note that the first 3 decimals coincide. The cubic root of 4405507913 is about 1639.3260061359.

The spelling of 4405507913 in words is "four billion, four hundred five million, five hundred seven thousand, nine hundred thirteen".