2719123319779 has 2 divisors, whose sum is σ = 2719123319780. Its totient is φ = 2719123319778.

The previous prime is 2719123319699. The next prime is 2719123319821. The reversal of 2719123319779 is 9779133219172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2719123319779 - 2⁹ = 2719123319267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2719123319279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359561659889 + 1359561659890.

It is an arithmetic number, because the mean of its divisors is an integer number (1359561659890).

Almost surely, 2^{2719123319779} is an apocalyptic number.

2719123319779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719123319779 is an equidigital number, since it uses as much as digits as its factorization.

2719123319779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9001692, while the sum is 61.

The spelling of 2719123319779 in words is "two trillion, seven hundred nineteen billion, one hundred twenty-three million, three hundred nineteen thousand, seven hundred seventy-nine".