2600644441 has 2 divisors, whose sum is σ = 2600644442. Its totient is φ = 2600644440.

The previous prime is 2600644427. The next prime is 2600644447. The reversal of 2600644441 is 1444460062.

2600644441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2555808025 + 44836416 = 50555^2 + 6696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600644441 - 2¹⁷ = 2600513369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2600644447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300322220 + 1300322221.

It is an arithmetic number, because the mean of its divisors is an integer number (1300322221).

Almost surely, 2^2600644441 is an apocalyptic number.

It is an amenable number.

2600644441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600644441 is an equidigital number, since it uses as much as digits as its factorization.

2600644441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2600644441 is about 50996.5140083124. The cubic root of 2600644441 is about 1375.1824667602.

The spelling of 2600644441 in words is "two billion, six hundred million, six hundred forty-four thousand, four hundred forty-one".