2196915839 has 2 divisors, whose sum is σ = 2196915840. Its totient is φ = 2196915838.

The previous prime is 2196915757. The next prime is 2196915841. The reversal of 2196915839 is 9385196912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2196915839 - 2²⁰ = 2195867263 is a prime.

Together with 2196915841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2196915859) 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, 1098457919 + 1098457920.

It is an arithmetic number, because the mean of its divisors is an integer number (1098457920).

Almost surely, 2^2196915839 is an apocalyptic number.

2196915839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196915839 is an equidigital number, since it uses as much as digits as its factorization.

2196915839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 53.

The square root of 2196915839 is about 46871.2688008336. The cubic root of 2196915839 is about 1299.9833999853.

The spelling of 2196915839 in words is "two billion, one hundred ninety-six million, nine hundred fifteen thousand, eight hundred thirty-nine".