1348349777779 has 2 divisors, whose sum is σ = 1348349777780. Its totient is φ = 1348349777778.

The previous prime is 1348349777759. The next prime is 1348349777807. The reversal of 1348349777779 is 9777779438431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1348349777779 - 2³³ = 1339759843187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1348349777759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674174888889 + 674174888890.

It is an arithmetic number, because the mean of its divisors is an integer number (674174888890).

Almost surely, 2^{1348349777779} is an apocalyptic number.

1348349777779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348349777779 is an equidigital number, since it uses as much as digits as its factorization.

1348349777779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568294784, while the sum is 76.

The spelling of 1348349777779 in words is "one trillion, three hundred forty-eight billion, three hundred forty-nine million, seven hundred seventy-seven thousand, seven hundred seventy-nine".