3135661379 has 2 divisors, whose sum is σ = 3135661380. Its totient is φ = 3135661378.

The previous prime is 3135661349. The next prime is 3135661381. The reversal of 3135661379 is 9731665313.

It is a strong prime.

It is an emirp because it is prime and its reverse (9731665313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3135661379 is a prime.

Together with 3135661381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3135661349) 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, 1567830689 + 1567830690.

It is an arithmetic number, because the mean of its divisors is an integer number (1567830690).

Almost surely, 2^3135661379 is an apocalyptic number.

3135661379 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135661379 is an equidigital number, since it uses as much as digits as its factorization.

3135661379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 3135661379 is about 55996.9765165942. The cubic root of 3135661379 is about 1463.6695985347.

The spelling of 3135661379 in words is "three billion, one hundred thirty-five million, six hundred sixty-one thousand, three hundred seventy-nine".