2120379539 has 2 divisors, whose sum is σ = 2120379540. Its totient is φ = 2120379538.

The previous prime is 2120379491. The next prime is 2120379563. The reversal of 2120379539 is 9359730212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120379539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120379496 and 2120379505.

It is not a weakly prime, because it can be changed into another prime (2120379589) 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, 1060189769 + 1060189770.

It is an arithmetic number, because the mean of its divisors is an integer number (1060189770).

Almost surely, 2^2120379539 is an apocalyptic number.

2120379539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120379539 is an equidigital number, since it uses as much as digits as its factorization.

2120379539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 2120379539 is about 46047.5790786009. The cubic root of 2120379539 is about 1284.7083147442.

The spelling of 2120379539 in words is "two billion, one hundred twenty million, three hundred seventy-nine thousand, five hundred thirty-nine".