1346315779 has 2 divisors, whose sum is σ = 1346315780. Its totient is φ = 1346315778.

The previous prime is 1346315777. The next prime is 1346315809. The reversal of 1346315779 is 9775136431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1346315779 - 2¹ = 1346315777 is a prime.

Together with 1346315777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1346315777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673157889 + 673157890.

It is an arithmetic number, because the mean of its divisors is an integer number (673157890).

Almost surely, 2^1346315779 is an apocalyptic number.

1346315779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346315779 is an equidigital number, since it uses as much as digits as its factorization.

1346315779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 1346315779 is about 36692.1759916198. The cubic root of 1346315779 is about 1104.2031420429.

The spelling of 1346315779 in words is "one billion, three hundred forty-six million, three hundred fifteen thousand, seven hundred seventy-nine".