2719353138857 has 2 divisors, whose sum is σ = 2719353138858. Its totient is φ = 2719353138856.

The previous prime is 2719353138739. The next prime is 2719353138863. The reversal of 2719353138857 is 7588313539172.

2719353138857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398391391296 + 1320961747561 = 1182536^2 + 1149331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2719353138857 - 2¹⁰ = 2719353137833 is a prime.

It is a super-2 number, since 2×2719353138857² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2719353138857.

It is not a weakly prime, because it can be changed into another prime (2719653138857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359676569428 + 1359676569429.

It is an arithmetic number, because the mean of its divisors is an integer number (1359676569429).

Almost surely, 2^{2719353138857} is an apocalyptic number.

It is an amenable number.

2719353138857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719353138857 is an equidigital number, since it uses as much as digits as its factorization.

2719353138857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38102400, while the sum is 62.

The spelling of 2719353138857 in words is "two trillion, seven hundred nineteen billion, three hundred fifty-three million, one hundred thirty-eight thousand, eight hundred fifty-seven".