1343676471779 has 2 divisors, whose sum is σ = 1343676471780. Its totient is φ = 1343676471778.

The previous prime is 1343676471713. The next prime is 1343676471811. The reversal of 1343676471779 is 9771746763431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343676471779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1343676471679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671838235889 + 671838235890.

It is an arithmetic number, because the mean of its divisors is an integer number (671838235890).

Almost surely, 2^{1343676471779} is an apocalyptic number.

1343676471779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343676471779 is an equidigital number, since it uses as much as digits as its factorization.

1343676471779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112021056, while the sum is 65.

The spelling of 1343676471779 in words is "one trillion, three hundred forty-three billion, six hundred seventy-six million, four hundred seventy-one thousand, seven hundred seventy-nine".