4505847649 has 2 divisors, whose sum is σ = 4505847650. Its totient is φ = 4505847648.

The previous prime is 4505847581. The next prime is 4505847691. The reversal of 4505847649 is 9467485054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2836308049 + 1669539600 = 53257^2 + 40860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4505847649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4505847596 and 4505847605.

It is not a weakly prime, because it can be changed into another prime (4505847349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2252923824 + 2252923825.

It is an arithmetic number, because the mean of its divisors is an integer number (2252923825).

Almost surely, 2^4505847649 is an apocalyptic number.

It is an amenable number.

4505847649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4505847649 is an equidigital number, since it uses as much as digits as its factorization.

4505847649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The square root of 4505847649 is about 67125.6109767353. The cubic root of 4505847649 is about 1651.6784449639.

The spelling of 4505847649 in words is "four billion, five hundred five million, eight hundred forty-seven thousand, six hundred forty-nine".