2379640609 has 2 divisors, whose sum is σ = 2379640610. Its totient is φ = 2379640608.

The previous prime is 2379640591. The next prime is 2379640619. The reversal of 2379640609 is 9060469732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2148600609 + 231040000 = 46353^2 + 15200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379640609 - 2²⁵ = 2346086177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2379640619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189820304 + 1189820305.

It is an arithmetic number, because the mean of its divisors is an integer number (1189820305).

Almost surely, 2^2379640609 is an apocalyptic number.

It is an amenable number.

2379640609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379640609 is an equidigital number, since it uses as much as digits as its factorization.

2379640609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 2379640609 is about 48781.5601329027. The cubic root of 2379640609 is about 1335.0692420613.

The spelling of 2379640609 in words is "two billion, three hundred seventy-nine million, six hundred forty thousand, six hundred nine".