2264649641 has 2 divisors, whose sum is σ = 2264649642. Its totient is φ = 2264649640.

The previous prime is 2264649601. The next prime is 2264649677. The reversal of 2264649641 is 1469464622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2100297241 + 164352400 = 45829^2 + 12820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2264649641 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2264649592 and 2264649601.

It is not a weakly prime, because it can be changed into another prime (2264649601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132324820 + 1132324821.

It is an arithmetic number, because the mean of its divisors is an integer number (1132324821).

Almost surely, 2^2264649641 is an apocalyptic number.

It is an amenable number.

2264649641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2264649641 is an equidigital number, since it uses as much as digits as its factorization.

2264649641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The square root of 2264649641 is about 47588.3351358292. The cubic root of 2264649641 is about 1313.2084671684.

The spelling of 2264649641 in words is "two billion, two hundred sixty-four million, six hundred forty-nine thousand, six hundred forty-one".