2119597279 has 2 divisors, whose sum is σ = 2119597280. Its totient is φ = 2119597278.

The previous prime is 2119597187. The next prime is 2119597289. The reversal of 2119597279 is 9727959112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2119597279 - 2⁹ = 2119596767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119597289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059798639 + 1059798640.

It is an arithmetic number, because the mean of its divisors is an integer number (1059798640).

Almost surely, 2^2119597279 is an apocalyptic number.

2119597279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119597279 is an equidigital number, since it uses as much as digits as its factorization.

2119597279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 52.

The square root of 2119597279 is about 46039.0842545766. The cubic root of 2119597279 is about 1284.5503085131.

The spelling of 2119597279 in words is "two billion, one hundred nineteen million, five hundred ninety-seven thousand, two hundred seventy-nine".