5200447709 has 2 divisors, whose sum is σ = 5200447710. Its totient is φ = 5200447708.

The previous prime is 5200447663. The next prime is 5200447723. The reversal of 5200447709 is 9077440025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4716667684 + 483780025 = 68678^2 + 21995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5200447709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5200447009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600223854 + 2600223855.

It is an arithmetic number, because the mean of its divisors is an integer number (2600223855).

Almost surely, 2^5200447709 is an apocalyptic number.

It is an amenable number.

5200447709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200447709 is an equidigital number, since it uses as much as digits as its factorization.

5200447709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 5200447709 is about 72114.1297458411. The cubic root of 5200447709 is about 1732.5279301579.

The spelling of 5200447709 in words is "five billion, two hundred million, four hundred forty-seven thousand, seven hundred nine".