2648203709 has 2 divisors, whose sum is σ = 2648203710. Its totient is φ = 2648203708.

The previous prime is 2648203697. The next prime is 2648203721. The reversal of 2648203709 is 9073028462.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2648203697) and next prime (2648203721).

It can be written as a sum of positive squares in only one way, i.e., 1644708025 + 1003495684 = 40555^2 + 31678^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648203709 - 2²⁸ = 2379768253 is a prime.

It is a super-2 number, since 2×2648203709² = 14025965768722713362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648203009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324101854 + 1324101855.

It is an arithmetic number, because the mean of its divisors is an integer number (1324101855).

Almost surely, 2^2648203709 is an apocalyptic number.

It is an amenable number.

2648203709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648203709 is an equidigital number, since it uses as much as digits as its factorization.

2648203709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2648203709 is about 51460.7006267890. The cubic root of 2648203709 is about 1383.5147591470.

The spelling of 2648203709 in words is "two billion, six hundred forty-eight million, two hundred three thousand, seven hundred nine".