2609437849 has 2 divisors, whose sum is σ = 2609437850. Its totient is φ = 2609437848.

The previous prime is 2609437841. The next prime is 2609437879. The reversal of 2609437849 is 9487349062.

It is a happy number.

2609437849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1426421824 + 1183016025 = 37768^2 + 34395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609437849 - 2³ = 2609437841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2609437796 and 2609437805.

It is not a weakly prime, because it can be changed into another prime (2609437841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304718924 + 1304718925.

It is an arithmetic number, because the mean of its divisors is an integer number (1304718925).

Almost surely, 2^2609437849 is an apocalyptic number.

It is an amenable number.

2609437849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609437849 is an equidigital number, since it uses as much as digits as its factorization.

2609437849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 2609437849 is about 51082.6570276058. The cubic root of 2609437849 is about 1376.7306646595.

The spelling of 2609437849 in words is "two billion, six hundred nine million, four hundred thirty-seven thousand, eight hundred forty-nine".