2135201279 has 2 divisors, whose sum is σ = 2135201280. Its totient is φ = 2135201278.

The previous prime is 2135201221. The next prime is 2135201281. The reversal of 2135201279 is 9721025312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135201279 is a prime.

Together with 2135201281, 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 (2135207279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067600639 + 1067600640.

It is an arithmetic number, because the mean of its divisors is an integer number (1067600640).

Almost surely, 2^2135201279 is an apocalyptic number.

2135201279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135201279 is an equidigital number, since it uses as much as digits as its factorization.

2135201279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2135201279 is about 46208.2382157121. The cubic root of 2135201279 is about 1287.6947952225.

The spelling of 2135201279 in words is "two billion, one hundred thirty-five million, two hundred one thousand, two hundred seventy-nine".